fix(gulp:build): remove protractor typings (#2144)

[skip ci]

Author: Awk34

Diff for: templates/app/typings(ts).json

@@ -10,7 +10,6 @@
     "webpack": "github:DefinitelyTyped/DefinitelyTyped/webpack/webpack.d.ts#95c02169ba8fa58ac1092422efbd2e3174a206f4"
   },
   "ambientDevDependencies": {
-    "angular-protractor": "github:DefinitelyTyped/DefinitelyTyped/angular-protractor/angular-protractor.d.ts#40c60850ad6c8175a62d5ab48c4e016ea5b3dffe",
     "selenium-webdriver": "github:DefinitelyTyped/DefinitelyTyped/selenium-webdriver/selenium-webdriver.d.ts#40c60850ad6c8175a62d5ab48c4e016ea5b3dffe",
     <%_ if(filters.mocha) { _%>
     "mocha": "github:DefinitelyTyped/DefinitelyTyped/mocha/mocha.d.ts#40c60850ad6c8175a62d5ab48c4e016ea5b3dffe",