Remove kcheck and dedupe yarn.lock deps

Reviewed By: trueadm

Differential Revision: D8327228

fbshipit-source-id: 1e27d6fbc70cd2a55aa819ab4f7f555ea7e76d91

flow-typed/npm/kcheck_vx.x.x.js

@@ -1,32 +0,0 @@
-// flow-typed signature: 8af7b1cc71885cecf2226d11ce48631d
-// flow-typed version: <<STUB>>/kcheck_v^2.0.0/flow_v0.38.0
-
-/**
- * This is an autogenerated libdef stub for:
- *
- *   'kcheck'
- *
- * Fill this stub out by replacing all the `any` types.
- *
- * Once filled out, we encourage you to share your work with the 
- * community by sending a pull request to: 
- * https://github.com/flowtype/flow-typed
- */
-
-declare module 'kcheck' {
-  declare module.exports: any;
-}
-
-/**
- * We include stubs for each file inside this npm package in case you need to
- * require those files directly. Feel free to delete any files that aren't
- * needed.
- */
-declare module 'kcheck/bin' {
-  declare module.exports: any;
-}
-
-// Filename aliases
-declare module 'kcheck/bin.js' {
-  declare module.exports: $Exports<'kcheck/bin'>;
-}

package.json

@@ -100,7 +100,6 @@
     "jest": "^22.2.1",
     "js-yaml": "^3.6.1",
     "jsdom": "^9.2.1",
-    "kcheck": "^2.0.0",
     "madge": "^1.6.0",
     "minimist": "^1.2.0",
     "prettier": "1.13.4",