[release-branch.go1.6] doc/go1.7.html: remove DRAFT

Fixes #15820.

Change-Id: Ia5d5237754e77774a3a6049765eea163911f41c9
Reviewed-on: https://go-review.googlesource.com/25592Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-on: https://go-review.googlesource.com/27054Reviewed-by: Chris Broadfoot <cbro@golang.org>

doc/go1.7.html

 <!--{
-	"Title": "Go 1.7 Release Notes DRAFT",
+	"Title": "Go 1.7 Release Notes",
 	"Path":  "/doc/go1.7",
 	"Template": true
 }-->
@@ -25,15 +25,6 @@ Do not send CLs removing the interior tags from such phrases.
 ul li { margin: 0.5em 0; }
 </style>
 
-<p>
-<!-- TODO: REMOVE THIS COMMENT -->
-<!-- TODO: Also remove "DRAFT" in the "Title" at the top of this file. -->
-<i>NOTE: This is a DRAFT of the Go 1.7 release notes, prepared for the Go 1.7 beta.
-Go 1.7 has NOT yet been released.
-By our regular schedule, it is expected some time in August 2016.
-</i>
-</p>
-
 <h2 id="introduction">Introduction to Go 1.7</h2>
 
 <p>