infra(eslint): config cleanup (#2468)

.eslintrc.js

@@ -15,26 +15,21 @@ module.exports = defineConfig({
   reportUnusedDisableDirectives: true,
   extends: [
     'eslint:recommended',
-    'plugin:@typescript-eslint/recommended',
     'plugin:@typescript-eslint/recommended-type-checked',
     'plugin:prettier/recommended',
+    'plugin:deprecation/recommended',
     'plugin:jsdoc/recommended-typescript-error',
     'plugin:unicorn/recommended',
   ],
-  parser: '@typescript-eslint/parser',
   parserOptions: {
     project: ['./tsconfig.json'],
-    sourceType: 'module',
     warnOnUnsupportedTypeScriptVersion: false,
   },
-  plugins: ['@typescript-eslint', 'prettier', 'deprecation', 'jsdoc'],
   rules: {
     eqeqeq: ['error', 'always', { null: 'ignore' }],
     'no-else-return': 'error',
-    'prefer-template': 'error',
     'no-restricted-globals': ['error', 'Intl'],
-
-    'deprecation/deprecation': 'error',
+    'prefer-template': 'error',
 
     'unicorn/no-nested-ternary': 'off', // incompatible with prettier
     'unicorn/no-null': 'off', // incompatible with TypeScript
@@ -97,11 +92,9 @@ module.exports = defineConfig({
       'error',
       { ignoreParameters: true },
     ],
-    '@typescript-eslint/no-unsafe-argument': 'error',
     '@typescript-eslint/no-unsafe-assignment': 'off',
     '@typescript-eslint/no-unsafe-call': 'off',
     '@typescript-eslint/no-unsafe-member-access': 'off',
-    '@typescript-eslint/no-unsafe-return': 'error',
     '@typescript-eslint/padding-line-between-statements': [
       'error',
       { blankLine: 'always', prev: 'block-like', next: '*' },
@@ -113,8 +106,7 @@ module.exports = defineConfig({
     ],
     '@typescript-eslint/unbound-method': 'off',
 
-    'jsdoc/no-types': 'error',
-    'jsdoc/require-jsdoc': 'off',
+    'jsdoc/require-jsdoc': 'off', // Enabled only for src/**/*.ts
     'jsdoc/require-returns': 'off',
     'jsdoc/sort-tags': [
       'error',