Change babel-polyfill to babel-plugin-transform-runtime

- Remove package babel-polyfill
- Add babel-plugin-transform-runtime to correct work with async/await and other es6 features
- Remove from file dependes on babel-polyfill

Author: marla-singer

.babelrc

@@ -1,4 +1,4 @@
 {
   "presets": ["es2015", "stage-0"],
-  "plugins": ["add-module-exports", "syntax-flow", "transform-flow-strip-types"]
+  "plugins": ["add-module-exports", "syntax-flow", "transform-flow-strip-types", "transform-runtime"]
 }

package.json

@@ -4,7 +4,6 @@
   "author": "Roman Krivtsov",
   "bin": "./bin/swagger2graphql",
   "dependencies": {
-    "babel-polyfill": "^6.23.0",
     "graphql": "^0.10.1",
     "isomorphic-fetch": "^2.2.1",
     "js-yaml": "^3.8.4",
@@ -22,6 +21,7 @@
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-syntax-flow": "^6.18.0",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
+    "babel-plugin-transform-runtime": "^6.23.0",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-0": "^6.24.1",
     "eslint": "^3.19.0",

src/index.js

@@ -1,5 +1,4 @@
 // @flow
-require('babel-polyfill');
 import type {GraphQLParameters, Endpoint, GraphQLType, RootGraphQLSchema, SwaggerToGraphQLOptions} from './types';
 import rp from 'request-promise';
 import { GraphQLSchema, GraphQLObjectType } from 'graphql';