chore: @putout/operator-regexp: rm unused

Author: coderaiser

packages/operator-regexp/.putout.json

@@ -33,7 +33,6 @@
     "regexp"
   ],
   "devDependencies": {
-    "@putout/eslint-flat": "^3.0.0",
     "@putout/test": "^14.0.0",
     "c8": "^10.0.0",
     "eslint": "^9.0.0",