Clean up ESLint config by removing glob patterns

Removed unused glob patterns for source and node files.

frontend/eslint.config.mjs

@@ -50,14 +50,6 @@ const nodeGlobs = [
 
 const __dirname = fileURLToPath(new URL('./', import.meta.url));
 
-const srcGlobs = [
-  'src/**/*.{js,mjs,jsx,ts,tsx}',
-];
-const nodeGlobs = [
-  'scripts/**/*.{js,ts,mjs}',
-  '*.config.{js,ts,mjs}',
-];
-
 export default defineConfig(
   { ignores: ignorePatterns },