Revert "add eslint-formatter-github"

This reverts commit 7df1b10.

Author: saihaj

package.json

@@ -76,7 +76,6 @@
     "@typescript-eslint/parser": "7.18.0",
     "eslint": "8.57.1",
     "eslint-config-prettier": "^9.1.0",
-    "eslint-formatter-github": "^1.1.4",
     "eslint-plugin-mdx": "^3.1.5",
     "eslint-plugin-tailwindcss": "3.17.5",
     "prettier": "3.4.2",