remove old permission option for "public read-write"

resources/frontend_client/app/query_builder/add_to_dashboard_popover.react.js

@@ -144,8 +144,7 @@ export default React.createClass({
         // TODO: hard coding values :(
         var privacyOptions = [
             (<option key="0" value={0}>Private</option>),
-            (<option key="1" value={1}>Others can read</option>),
-            (<option key="2" value={2}>Others can modify</option>)
+            (<option key="1" value={1}>Public (Others can read)</option>)
         ];
 
         var formError;