delete all sessions for user on account delete

models/forms/deleteaccount.js

@@ -1,10 +1,13 @@
 'use strict';
 
 const { Accounts } = require(__dirname+'/../../db/')
+	, redis = require(__dirname+'/../../redis.js');
 
 module.exports = async (username) => {
 
-	//this definitely needs to be its own file (v:
-	await Accounts.deleteOne(username);
+	await Promise.all([
+		Accounts.deleteOne(username),
+		redis.deletePattern(`sess:*:${username}`),
+	]);
 
 }