Remove @remix-run/eslint-config references from unit test fixtures (#8275)

Author: brophdawg11

packages/remix-dev/__tests__/fixtures/cloudflare/.eslintrc.cjs

@@ -20,7 +20,6 @@
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20230518.0",
     "@remix-run/dev": "*",
-    "@remix-run/eslint-config": "*",
     "@types/react": "^18.2.20",
     "@types/react-dom": "^18.2.7",
     "eslint": "^8.38.0",

packages/remix-dev/__tests__/fixtures/cloudflare/package.json

@@ -19,7 +19,6 @@
   },
   "devDependencies": {
     "@remix-run/dev": "*",
-    "@remix-run/eslint-config": "*",
     "@types/react": "^18.2.20",
     "@types/react-dom": "^18.2.7",
     "eslint": "^8.38.0",