fix another regression after language handler refactor

package.json

@@ -55,7 +55,7 @@
         "c9"
     ],
     "c9plugins": {
-        "c9.ide.language": "#cf6efd83d1",
+        "c9.ide.language": "#a411bd0986",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#2b5cc6275e",
         "c9.ide.language.html": "#9be847c0ce",