Remove need for hack
Remove need for hack

We're way past the version of codemirror to need this hack.

Change-Id: Ie0c034832329ecf734229c521dbf3397d925a387

GerritCodeReview/plugins_codemirror-editor,GerritCodeReview/plugins_codemirror-editor,GerritCodeReview/plugins_codemirror-editor