Removing unused libraries (#1298)

Author: Christopher Anderson

libraries/botbuilder-applicationinsights/package.json

@@ -21,9 +21,7 @@
   "main": "./lib/index.js",
   "typings": "./lib/index.d.ts",
   "dependencies": {
-    "appinsights-usage": "1.0.2",
     "applicationinsights": "1.2.0",
-    "applicationinsights-js": "1.0.20",
     "botbuilder-core": "4.1.6",
     "cls-hooked": "^4.2.2"
   },