Merge pull request #14890 from aardgoose/remove-rollup-watch

remove rollup-watch

package.json

@@ -57,8 +57,7 @@
     "google-closure-compiler": "20180805.0.0",
     "http-server": "^0.11.1",
     "qunit": "^2.6.2",
-    "rollup": "^0.65.0",
-    "rollup-watch": "^4.3.1"
+    "rollup": "^0.65.0"
   },
   "jspm": {
     "files": [