Fix invalid JSON in template: nodejs.json

Got rid of a duplicate key
<done over Github UI>

openshift/templates/nodejs.json

@@ -208,12 +208,7 @@
                     }
                 },
                 "env": [
-                ],
-                "resources": {
-		      "limits": {
-			  "memory": "${MEMORY_LIMIT}"
-		      }
-                }
+                ]
               }
             ]
           }