Use WHATWG API

> New application code should use the WHATWG API.

src/remote/activitypub/models/person.ts

@@ -6,7 +6,6 @@ import { resolveImage } from './image';
 import { isCollectionOrOrderedCollection, isCollection, IPerson } from '../type';
 import { DriveFile } from '../../../models/entities/drive-file';
 import { fromHtml } from '../../../mfm/fromHtml';
-import { URL } from 'url';
 import { resolveNote, extractEmojis } from './note';
 import { registerOrFetchInstanceDoc } from '../../../services/register-or-fetch-instance-doc';
 import { ITag, extractHashtags } from './tag';

src/remote/activitypub/request.ts

@@ -1,6 +1,5 @@
 import { request } from 'https';
 import { sign } from 'http-signature';
-import { URL } from 'url';
 import * as crypto from 'crypto';
 import { lookup, IRunOptions } from 'lookup-dns-cache';
 import * as promiseAny from 'promise-any';

src/remote/resolve-user.ts

@@ -1,7 +1,6 @@
 import webFinger from './webfinger';
 import config from '../config';
 import { createPerson, updatePerson } from './activitypub/models/person';
-import { URL } from 'url';
 import { remoteLogger } from './logger';
 import chalk from 'chalk';
 import { User, IRemoteUser } from '../models/entities/user';

src/remote/webfinger.ts

@@ -1,6 +1,5 @@
 import config from '../config';
 import * as request from 'request-promise-native';
-import { URL } from 'url';
 import { query as urlQuery } from '../prelude/url';
 
 type ILink = {