Revert "Don't immediately show completer when there's an exact match"

This reverts commit 9ca28e82f6.

package.json

@@ -55,7 +55,7 @@
         "c9"
     ],
     "c9plugins": {
-        "c9.ide.language": "#07583f1706",
+        "c9.ide.language": "#79bcb2fe06",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#3949510863",
         "c9.ide.language.html": "#22fdc74869",