Remove unused npm dependency on Phantomjs.

Author: oskarhane

package.json

@@ -32,7 +32,6 @@
     "gulp-if": "^1.2.5",
     "gulp-jasmine": "^2.1.0",
     "gulp-jasmine-browser": "^0.2.3",
-    "gulp-jasmine2-phantomjs": "^0.2.0",
     "gulp-shell": "^0.4.3",
     "gulp-uglify": "^1.4.2",
     "gulp-untar2": "^0.1.0",