Remove babel-runtime from packages' dependencies (#5218)

package.json

@@ -14,11 +14,9 @@
     "babel-plugin-istanbul": "^2.0.1",
     "babel-plugin-transform-class-properties": "^6.6.0",
     "babel-plugin-transform-flow-strip-types": "^6.3.13",
-    "babel-plugin-transform-runtime": "^6.3.13",
     "babel-preset-es2015": "^6.13.2",
     "babel-preset-stage-0": "^6.0.0",
     "babel-register": "^6.14.0",
-    "babel-runtime": "^6.0.0",
     "browserify": "^13.1.1",
     "bundle-collapser": "^1.2.1",
     "chai": "^3.5.0",
@@ -58,7 +56,6 @@
       "stage-0"
     ],
     "plugins": [
-      "transform-runtime",
       "transform-class-properties",
       "transform-flow-strip-types"
     ],