chore: remove unused @eslint/eslintrc dep (#1429)

## Internal
### Updates & Improvements
- Remove `@eslint/eslintrc` dependency that is no longer used in
`web/pingpong`.

Author: ekassos

web/pingpong/package.json

@@ -13,7 +13,6 @@
 		"format": "prettier --write ."
 	},
 	"devDependencies": {
-		"@eslint/eslintrc": "^3.3.3",
 		"@eslint/js": "^10.0.1",
 		"@sveltejs/adapter-auto": "^7.0.1",
 		"@sveltejs/adapter-node": "^5.5.3",
@@ -75,8 +74,7 @@
 			"ajv": ">=8.18.0"
 		},
 		"patchedDependencies": {
-			"eslint@10.0.0": "patches/eslint@10.0.0.patch",
-			"@eslint/eslintrc@3.3.3": "patches/@eslint__eslintrc@3.3.3.patch"
+			"eslint@10.0.0": "patches/eslint@10.0.0.patch"
 		}
 	}
 }