MM-52165 : Remove 50% maxWorker on Channels test run (#22962)

* test

* remove boards maxWorkers

---------

Co-authored-by: Caleb Roseland <caleb@calebroseland.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/boards/package.json

@@ -103,7 +103,6 @@
 		"@typescript-eslint/eslint-plugin": "5.57.1",
 		"@typescript-eslint/parser": "5.57.1",
 		"babel-eslint": "10.1.0",
-		"cross-env": "^7.0.3",
 		"css-loader": "6.7.1",
 		"eslint-import-resolver-webpack": "0.13.2",
 		"eslint-plugin-babel": "^5.3.1",