Temporarily remove '.editor' class from react editor wrapper

This will prevent warnings from packages during testing.

src/react-editor-view.coffee

@@ -4,7 +4,7 @@ EditorComponent = require './editor-component'
 
 module.exports =
 class ReactEditorView extends View
-  @content: -> @div class: 'editor react-wrapper'
+  @content: -> @div class: 'react-wrapper'
 
   constructor: (@editor) ->
     super