chore(parser): clean up some unused code (#2674)

packages/parser/src/index.ts

@@ -1,6 +1,8 @@
 export { parse, parseForESLint, ParserOptions } from './parser';
-export { ParserServices } from '@typescript-eslint/typescript-estree';
-export { clearCaches } from '@typescript-eslint/typescript-estree';
+export {
+  ParserServices,
+  clearCaches,
+} from '@typescript-eslint/typescript-estree';
 
 // note - cannot migrate this to an import statement because it will make TSC copy the package.json to the dist folder
 export const version: string = require('../package.json').version;

packages/parser/src/parser-options.ts

@@ -1 +0,0 @@
-export { ParserOptions } from '@typescript-eslint/types';

packages/parser/tests/lib/services.ts

@@ -1,7 +1,7 @@
 import path from 'path';
 import fs from 'fs';
 import glob from 'glob';
-import { ParserOptions } from '../../src/parser-options';
+import { ParserOptions } from '../../src/parser';
 import {
   createSnapshotTestBlock,
   formatSnapshotName,

packages/parser/tests/tools/test-utils.ts

@@ -1,6 +1,6 @@
 import { TSESTree } from '@typescript-eslint/typescript-estree';
 import * as parser from '../../src/parser';
-import { ParserOptions } from '../../src/parser-options';
+import { ParserOptions } from '../../src/parser';
 
 const defaultConfig = {
   loc: true,