Remove unused react dependency of parcel package (#5073)

Author: mischnic

packages/core/parcel/package.json

@@ -32,7 +32,6 @@
     "chalk": "^2.1.0",
     "commander": "^2.19.0",
     "get-port": "^4.2.0",
-    "react": "^16.7.0",
     "v8-compile-cache": "^2.0.0"
   },
   "devDependencies": {

yarn.lock

@@ -11628,7 +11628,7 @@ react-refresh@^0.6.0:
   resolved "https://registry.yarnpkg.com/react-refresh/-/react-refresh-0.6.0.tgz#81971b8f3c8c05aaa6ce87491ae41b396133f896"
   integrity sha512-Wv48N+GFt6Azvtl/LMvzNW9hvEyJdRQ48oVKIBAN7hjtvXXfxfVJXbPl/11SM1C/NIquIFXzzWCo6ZNH0I8I4g==
 
-react@^16.11.0, react@^16.6.3, react@^16.7.0:
+react@^16.11.0, react@^16.6.3:
   version "16.12.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
   integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==