fix(ci): remove eslint-config-airbnb-base incompatible with ESLint 9

Author: bug3

eslint.config.mjs

@@ -1,24 +1,17 @@
-import { FlatCompat } from '@eslint/eslintrc';
 import js from '@eslint/js';
 import tseslint from 'typescript-eslint';
 
-const compat = new FlatCompat({ baseDirectory: import.meta.dirname });
-
 export default tseslint.config(
   js.configs.recommended,
   ...tseslint.configs.strict,
-  ...compat.extends('airbnb-base'),
   {
     files: ['**/*.ts'],
     rules: {
       indent: ['error', 4, { SwitchCase: 1 }],
-      'import/extensions': 'off',
-      'import/no-unresolved': 'off',
       'no-use-before-define': 'off',
       '@typescript-eslint/no-use-before-define': 'error',
       'no-shadow': 'off',
       '@typescript-eslint/no-shadow': 'error',
-      'import/prefer-default-export': 'off',
       'no-restricted-syntax': ['error', 'ForInStatement', 'LabeledStatement', 'WithStatement'],
       'no-unused-vars': 'off',
       '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],