doc: remove archive/zip changes from go1.8.html

Change-Id: I5670e9924b21fb2466b2b32aa01a922e9a0a0f8a
Reviewed-on: https://go-review.googlesource.com/34652Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

doc/go1.8.html

@@ -642,23 +642,6 @@ Optimizations and minor bug fixes are not listed.
   </dd>
 </dl>
 
-<dl id="archive_zip"><dt><a href="/pkg/archive/zip/">archive/zip</a></dt>
-  <dd>
-
-    <p> <!-- CL 18274 -->
-      The
-      <a href="/pkg/archive/zip/#Reader"><code>Reader</code></a>
-      now supports modification times in
-      the NTFS, UNIX, and Extended Time Stamp metadata fields.
-      <!-- CL 30811 -->
-      The
-      <a href="/pkg/archive/zip/#Writer"><code>Writer</code></a>
-      now writes Extended Time Stamp fields.
-    </p>
-
-  </dd>
-</dl>
-
 <dl id="compress_flate"><dt><a href="/pkg/compress/flate/">compress/flate</a></dt>
   <dd>