Remove an include that's no longer necessary (constant moved headers).

Review URL: http://codereview.chromium.org/99200

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14874 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/platform_util_mac.mm

@@ -11,7 +11,6 @@
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/cocoa/tab_window_controller.h"
 #include "chrome/common/l10n_util.h"
-#include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 
 namespace platform_util {