[FIX] simplify a computation of raw_fields to make sure it doesn't crash (_.contains expects a list, and not a string) (addon web)

bzr revid: ged@openerp.com-20140130153700-2lno0uefta93ex53

addons/web/static/src/js/data.js

@@ -130,7 +130,7 @@ instance.web.Query = instance.web.Class.extend({
             return null;
         }
         var raw_fields = _.map(grouping.concat(this._fields || []), function (field) {
-            return (_.contains(field, ':')) ? field.split(':')[0] : field;
+            return field.split(':')[0];
         });
 
         var self = this;