Remove accidental comment in TabContents.

BUG=none
TEST=No silly presubmit checks for tab_contents.cc.
TBR=estade
Review URL: http://codereview.chromium.org/6368119

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@73905 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/tab_contents/tab_contents.cc b/chrome/browser/tab_contents/tab_contents.cc
index b97f7078..9a1704d 100644
--- a/chrome/browser/tab_contents/tab_contents.cc
+++ b/chrome/browser/tab_contents/tab_contents.cc
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 #include "chrome/browser/tab_contents/tab_contents.h"
-// DO NOT SUBMIT
+
 #include <cmath>
 
 #include "base/auto_reset.h"