Lint cleanup with new rules

lib/Class.js

@@ -1,3 +1,4 @@
+/* eslint-disable no-empty-function */
 'use strict';
 
 const DatabaseConnectionPool = require('./DatabaseConnectionPool');
@@ -134,11 +135,11 @@ class Class {
 		})();
 	}
 
-	async getSubject() {
+	getSubject() {
 		return new (require('./Subject'))(this.subjectId);
 	}
 
-	async getUsers(ids, type) {
+	getUsers(ids, type) {
 		const types = {
 			account: 'Account',
 			student: 'Student'
@@ -212,4 +213,4 @@ class Class {
 	}
 }
 
-module.exports =  Class;
+module.exports = Class;