remove babel package

it’s deprecated. use babel-cli now

Author: TSMMark

package.json

@@ -52,7 +52,6 @@
   },
   "homepage": "https://github.com/Vydia/react-loading-switch#readme",
   "devDependencies": {
-    "babel": "^6.23.0",
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
     "babel-eslint": "^8.2.3",