Fix /clearignore (#1895)

js/client-chat.js

@@ -611,10 +611,6 @@
 
 			case 'clearignore':
 				if (this.checkBroadcast(cmd, text)) return false;
-				if (!target) {
-					this.parseCommand('/help ignore');
-					return false;
-				}
 				if (toID(target) !== 'confirm') {
 					this.add("Are you sure you want to clear your ignore list?");
 					this.add('|html|If you\'re sure, use <code>/clearignore confirm</code>');