Remove handlebards dev dependency (#5811)

package.json

     "@types/react-test-renderer": "16.x.x",
     "babel-jest": "24.9.x",
     "detox": "14.x.x",
-    "handlebars": "4.x.x",
     "jest": "24.9.x",
     "lodash": "^4.17.15",
     "metro-react-native-babel-preset": "0.57.x",
       }
     }
   }
-}
+}