chore(deps-dev): drop unused dep cross-env

Author: IepIweidieng

package.json

@@ -22,7 +22,6 @@
     "@babel/preset-react": "^7.8.3",
     "@webpack-cli/serve": "^1.5.2",
     "babel-loader": "^8.0.6",
-    "cross-env": "^7.0.2",
     "css-loader": "^3.4.2",
     "css-url-relative-plugin": "^1.0.0",
     "file-loader": "^5.1.0",

yarn.lock

@@ -2251,14 +2251,7 @@ create-hmac@^1.1.0, create-hmac@^1.1.4, create-hmac@^1.1.7:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-env@^7.0.2:
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
-  integrity sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==
-  dependencies:
-    cross-spawn "^7.0.1"
-
-cross-spawn@^7.0.0, cross-spawn@^7.0.1, cross-spawn@^7.0.3:
+cross-spawn@^7.0.0, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
   integrity sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==
@@ -4618,11 +4611,16 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.49.0.tgz#f3dfde60c99e9cf3bc9701d687778f537001cbed"
   integrity sha512-CIc8j9URtOVApSFCQIF+VBkX1RwXp/oMMOrqdyXSBXq5RWNEsRfyj1kiRnQgmNXmHxPoFIxOroKA3zcU9P+nAA==
 
-[email protected], "mime-db@>= 1.43.0 < 2":
+[email protected]:
   version "1.50.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.50.0.tgz#abd4ac94e98d3c0e185016c67ab45d5fde40c11f"
   integrity sha512-9tMZCDlYHqeERXEHO9f/hKfNXhre5dK2eE/krIvUjZbS2KPcqGDfNShIWS1uW9XOTKQKqK6qbeOci18rbfW77A==
 
+"mime-db@>= 1.43.0 < 2":
+  version "1.43.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.43.0.tgz#0a12e0502650e473d735535050e7c8f4eb4fae58"
+  integrity sha512-+5dsGEEovYbT8UY9yD7eE4XTc4UwJ1jBYlgaQQF38ENsKR3wj/8q8RFZrF9WIZpB2V1ArTVFUva8sAul1NzRzQ==
+
 mime-types@^2.1.12, mime-types@~2.1.19:
   version "2.1.33"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.33.tgz#1fa12a904472fafd068e48d9e8401f74d3f70edb"