Remove tags from 'gl' language.  My CL (r1314) removing these tags and TranslateWiki's update CL (r1317) sailed past each other, thus breaking the compile.

R=spertus@google.com

Review URL: https://codereview.appspot.com/13324047

git-svn-id: http://blockly.googlecode.com/svn/trunk@1318 c400ca83-b69d-9dd7-9705-49c6b8615e23