Remove ancient completion delay

We have caching to protect against overworking now

package.json

@@ -56,7 +56,7 @@
         "c9"
     ],
     "c9plugins": {
-        "c9.ide.language": "#9d12de412d",
+        "c9.ide.language": "#3f4dfdefd8",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#2b5cc6275e",
         "c9.ide.language.html": "#9be847c0ce",