Rename `ImportProject` to `ImportFile` to match the docs

project_import_export.go

@@ -151,11 +151,11 @@ type ImportFileOptions struct {
 	OverrideParams *CreateProjectOptions `url:"override_params,omitempty" json:"override_params,omitempty"`
 }
 
-// ImportProject import the project.
+// ImportFile import a file.
 //
 // GitLab API docs:
 // https://docs.gitlab.com/ce/api/project_import_export.html#import-a-file
-func (s *ProjectImportExportService) ImportProject(opt *ImportFileOptions, options ...OptionFunc) (*ImportStatus, *Response, error) {
+func (s *ProjectImportExportService) ImportFile(opt *ImportFileOptions, options ...OptionFunc) (*ImportStatus, *Response, error) {
 	req, err := s.client.NewRequest("POST", "projects/import", opt, options)
 	if err != nil {
 		return nil, nil, err