style: linting errors

src/controllers/uploads.js

@@ -4,7 +4,6 @@ const path = require('path');
 const nconf = require('nconf');
 const validator = require('validator');
 
-const db = require('../database');
 const user = require('../user');
 const meta = require('../meta');
 const file = require('../file');

src/upgrades/1.19.3/fix_user_uploads_zset.js

@@ -4,7 +4,6 @@ const crypto = require('crypto');
 
 const db = require('../../database');
 const batch = require('../../batch');
-const user = require('../../user');
 
 const md5 = filename => crypto.createHash('md5').update(filename).digest('hex');
 

src/upgrades/1.19.3/rename_post_upload_hashes.js

@@ -4,7 +4,6 @@ const crypto = require('crypto');
 
 const db = require('../../database');
 const batch = require('../../batch');
-const posts = require('../../posts');
 
 const md5 = filename => crypto.createHash('md5').update(filename).digest('hex');