Remove incorrect license notice from ratelimits.php

shared/ratelimits.php

@@ -1,20 +1,4 @@
 <?php
-/*
-Copyright 2019 whatever127
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
 function checkIfUserIsRateLimited($resource, $timeLimit = 10, $currentResLimit = 1) {
     $clientIP = $_SERVER['REMOTE_ADDR'];
     $ipHash = hash('sha256', "ratelimits-$clientIP");