Revert "Open tags should have closing tags"

This reverts commit aeca8807db.

We specifically DON'T have closing tags so we don't get errors with
whitespace after the closing tag.

I realize this is less of an issue with scripts, but we should still
not use closing tags.

scripts/fixup_inboxes.php

@@ -79,4 +79,3 @@ while ($user->fetch()) {
         $cache->delete(common_cache_key('user:notices_with_friends:' . $user->id));
     }
 }
-?>