Add missing delete functions for the `notes` service

Fixes #185

notes.go

@@ -25,16 +25,14 @@ import (
 // NotesService handles communication with the notes related methods
 // of the GitLab API.
 //
-// GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md
+// GitLab API docs: https://docs.gitlab.com/ce/api/notes.html
 type NotesService struct {
 	client *Client
 }
 
 // Note represents a GitLab note.
 //
-// GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md
+// GitLab API docs: https://docs.gitlab.com/ce/api/notes.html
 type Note struct {
 	ID         int    `json:"id"`
 	Body       string `json:"body"`
@@ -49,9 +47,6 @@ type Note struct {
 		State     string     `json:"state"`
 		CreatedAt *time.Time `json:"created_at"`
 	} `json:"author"`
-	System    bool       `json:"system"`
-	Upvote    bool       `json:"upvote"`
-	Downvote  bool       `json:"downvote"`
 	ExpiresAt *time.Time `json:"expires_at"`
 	UpdatedAt *time.Time `json:"updated_at"`
 	CreatedAt *time.Time `json:"created_at"`
@@ -64,7 +59,7 @@ func (n Note) String() string {
 // ListIssueNotesOptions represents the available ListIssueNotes() options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#list-project-issue-notes
+// https://docs.gitlab.com/ce/api/notes.html#list-project-issue-notes
 type ListIssueNotesOptions struct {
 	ListOptions
 }
@@ -72,7 +67,7 @@ type ListIssueNotesOptions struct {
 // ListIssueNotes gets a list of all notes for a single issue.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#list-project-issue-notes
+// https://docs.gitlab.com/ce/api/notes.html#list-project-issue-notes
 func (s *NotesService) ListIssueNotes(pid interface{}, issue int, opt *ListIssueNotesOptions, options ...OptionFunc) ([]*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -97,7 +92,7 @@ func (s *NotesService) ListIssueNotes(pid interface{}, issue int, opt *ListIssue
 // GetIssueNote returns a single note for a specific project issue.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#get-single-issue-note
+// https://docs.gitlab.com/ce/api/notes.html#get-single-issue-note
 func (s *NotesService) GetIssueNote(pid interface{}, issue, note int, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -123,7 +118,7 @@ func (s *NotesService) GetIssueNote(pid interface{}, issue, note int, options ..
 // options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#create-new-issue-note
+// https://docs.gitlab.com/ce/api/notes.html#create-new-issue-note
 type CreateIssueNoteOptions struct {
 	Body *string `url:"body,omitempty" json:"body,omitempty"`
 }
@@ -131,7 +126,7 @@ type CreateIssueNoteOptions struct {
 // CreateIssueNote creates a new note to a single project issue.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#create-new-issue-note
+// https://docs.gitlab.com/ce/api/notes.html#create-new-issue-note
 func (s *NotesService) CreateIssueNote(pid interface{}, issue int, opt *CreateIssueNoteOptions, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -157,14 +152,14 @@ func (s *NotesService) CreateIssueNote(pid interface{}, issue int, opt *CreateIs
 // options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#modify-existing-issue-note
+// https://docs.gitlab.com/ce/api/notes.html#modify-existing-issue-note
 type UpdateIssueNoteOptions struct {
 	Body *string `url:"body,omitempty" json:"body,omitempty"`
 }
 
 // UpdateIssueNote modifies existing note of an issue.
 //
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#modify-existing-issue-note
+// https://docs.gitlab.com/ce/api/notes.html#modify-existing-issue-note
 func (s *NotesService) UpdateIssueNote(pid interface{}, issue, note int, opt *UpdateIssueNoteOptions, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -208,7 +203,7 @@ func (s *NotesService) DeleteIssueNote(pid interface{}, issue, note int, options
 // notes are comments users can post to a snippet.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#list-all-snippet-notes
+// https://docs.gitlab.com/ce/api/notes.html#list-all-snippet-notes
 func (s *NotesService) ListSnippetNotes(pid interface{}, snippet int, options ...OptionFunc) ([]*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -233,7 +228,7 @@ func (s *NotesService) ListSnippetNotes(pid interface{}, snippet int, options ..
 // GetSnippetNote returns a single note for a given snippet.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#get-single-snippet-note
+// https://docs.gitlab.com/ce/api/notes.html#get-single-snippet-note
 func (s *NotesService) GetSnippetNote(pid interface{}, snippet, note int, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -259,7 +254,7 @@ func (s *NotesService) GetSnippetNote(pid interface{}, snippet, note int, option
 // options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#create-new-snippet-note
+// https://docs.gitlab.com/ce/api/notes.html#create-new-snippet-note
 type CreateSnippetNoteOptions struct {
 	Body *string `url:"body,omitempty" json:"body,omitempty"`
 }
@@ -268,7 +263,7 @@ type CreateSnippetNoteOptions struct {
 // comments users can post to a snippet.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#create-new-snippet-note
+// https://docs.gitlab.com/ce/api/notes.html#create-new-snippet-note
 func (s *NotesService) CreateSnippetNote(pid interface{}, snippet int, opt *CreateSnippetNoteOptions, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -294,14 +289,14 @@ func (s *NotesService) CreateSnippetNote(pid interface{}, snippet int, opt *Crea
 // options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#modify-existing-snippet-note
+// https://docs.gitlab.com/ce/api/notes.html#modify-existing-snippet-note
 type UpdateSnippetNoteOptions struct {
 	Body *string `url:"body,omitempty" json:"body,omitempty"`
 }
 
 // UpdateSnippetNote modifies existing note of a snippet.
 //
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#modify-existing-snippet-note
+// https://docs.gitlab.com/ce/api/notes.html#modify-existing-snippet-note
 func (s *NotesService) UpdateSnippetNote(pid interface{}, snippet, note int, opt *UpdateSnippetNoteOptions, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -344,7 +339,7 @@ func (s *NotesService) DeleteSnippetNote(pid interface{}, snippet, note int, opt
 // ListMergeRequestNotes gets a list of all notes for a single merge request.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#list-all-merge-request-notes
+// https://docs.gitlab.com/ce/api/notes.html#list-all-merge-request-notes
 func (s *NotesService) ListMergeRequestNotes(pid interface{}, mergeRequest int, options ...OptionFunc) ([]*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -369,7 +364,7 @@ func (s *NotesService) ListMergeRequestNotes(pid interface{}, mergeRequest int,
 // GetMergeRequestNote returns a single note for a given merge request.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#get-single-merge-request-note
+// https://docs.gitlab.com/ce/api/notes.html#get-single-merge-request-note
 func (s *NotesService) GetMergeRequestNote(pid interface{}, mergeRequest, note int, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -395,7 +390,7 @@ func (s *NotesService) GetMergeRequestNote(pid interface{}, mergeRequest, note i
 // CreateMergeRequestNote() options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#create-new-merge-request-note
+// https://docs.gitlab.com/ce/api/notes.html#create-new-merge-request-note
 type CreateMergeRequestNoteOptions struct {
 	Body *string `url:"body,omitempty" json:"body,omitempty"`
 }
@@ -403,7 +398,7 @@ type CreateMergeRequestNoteOptions struct {
 // CreateMergeRequestNote creates a new note for a single merge request.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#create-new-merge-request-note
+// https://docs.gitlab.com/ce/api/notes.html#create-new-merge-request-note
 func (s *NotesService) CreateMergeRequestNote(pid interface{}, mergeRequest int, opt *CreateMergeRequestNoteOptions, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
@@ -429,14 +424,14 @@ func (s *NotesService) CreateMergeRequestNote(pid interface{}, mergeRequest int,
 // UpdateMergeRequestNote() options.
 //
 // GitLab API docs:
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#modify-existing-merge-request-note
+// https://docs.gitlab.com/ce/api/notes.html#modify-existing-merge-request-note
 type UpdateMergeRequestNoteOptions struct {
 	Body *string `url:"body,omitempty" json:"body,omitempty"`
 }
 
 // UpdateMergeRequestNote modifies existing note of a merge request.
 //
-// https://gitlab.com/gitlab-org/gitlab-ce/blob/8-16-stable/doc/api/notes.md#modify-existing-merge-request-note
+// https://docs.gitlab.com/ce/api/notes.html#modify-existing-merge-request-note
 func (s *NotesService) UpdateMergeRequestNote(pid interface{}, mergeRequest, note int, opt *UpdateMergeRequestNoteOptions, options ...OptionFunc) (*Note, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {