Remove unused dev dependencies (#43549)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/43549

Remove unused `async` and `mock-fs` dev dependencies from the project root.

Changelog: [Internal]

Reviewed By: robhogan

Differential Revision: D55062743

fbshipit-source-id: 9f62eeaf66ebec4d1d099454ae95a686d12e471e

package.json

@@ -65,7 +65,6 @@
     "@types/react": "^18.0.18",
     "@typescript-eslint/parser": "^7.1.1",
     "ansi-styles": "^4.2.1",
-    "async": "^3.2.2",
     "babel-plugin-minify-dead-code-elimination": "^0.5.2",
     "babel-plugin-transform-define": "^2.1.2",
     "babel-plugin-transform-flow-enums": "^0.0.2",
@@ -100,7 +99,6 @@
     "metro-memory-fs": "^0.80.0",
     "micromatch": "^4.0.4",
     "mkdirp": "^0.5.1",
-    "mock-fs": "^5.1.4",
     "node-fetch": "^2.2.0",
     "nullthrows": "^1.1.1",
     "prettier": "2.8.8",

yarn.lock

@@ -3367,7 +3367,7 @@ async-retry@1.2.3:
   dependencies:
     retry "0.12.0"
 
-async@^3.2.2, async@^3.2.3:
+async@^3.2.3:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/async/-/async-3.2.4.tgz#2d22e00f8cddeb5fde5dd33522b56d1cf569a81c"
   integrity sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==
@@ -7350,11 +7350,6 @@ mkdirp@^1.0.3, mkdirp@^1.0.4:
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
-mock-fs@^5.1.4:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-5.2.0.tgz#3502a9499c84c0a1218ee4bf92ae5bf2ea9b2b5e"
-  integrity sha512-2dF2R6YMSZbpip1V1WHKGLNjr/k48uQClqMVb5H3MOvwc9qhYis3/IWbj02qIg/Y8MDXKFF4c5v0rxx2o6xTZw==
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"