Update all.gyp to reflect the current state of the iOS build

A number of targets that now build on iOS never got moved in all.gyp.

Also removes the comments, since they are now misleading given that
most of the targets that are likely to be brought up on iOS are now
working.

BUG=None


Review URL: https://chromiumcodereview.appspot.com/10905150

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@155454 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed