Small cleanup of package.json

Summary:
`babel/runtime` is not directly required by RN.

Changelog: [Internal]

Reviewed By: rubennorte

Differential Revision: D22374323

fbshipit-source-id: 269de51ceb53ef101cef70f2d410181fc2300514

package.json

@@ -85,7 +85,6 @@
     "react": "16.13.1"
   },
   "dependencies": {
-    "@babel/runtime": "^7.0.0",
     "@react-native-community/cli": "^4.10.0",
     "@react-native-community/cli-platform-android": "^4.10.0",
     "@react-native-community/cli-platform-ios": "^4.10.0",

yarn.lock

@@ -681,7 +681,7 @@
     pirates "^4.0.0"
     source-map-support "^0.5.16"
 
-"@babel/runtime@^7.0.0", "@babel/runtime@^7.8.4":
+"@babel/runtime@^7.8.4":
   version "7.10.0"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.10.0.tgz#2cdcd6d7a391c24f7154235134c830cfb58ac0b1"
   integrity sha512-tgYb3zVApHbLHYOPWtVwg25sBqHhfBXRKeKoTIyoheIxln1nA7oBl7SfHfiTG2GhDPI8EUBkOD/0wJCP/3HN4Q==