fix: Remove license from pull request template (#1032)

Author: jonathanc-n

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,22 +1,3 @@
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you 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.
--->
-
 ## Which issue does this PR close?
 
 <!--

.licenserc.yaml

@@ -32,4 +32,5 @@ header:
     # Release distributions
     - 'dist/*'
     - 'Cargo.lock'
+    - '.github/PULL_REQUEST_TEMPLATE.md'
   comment: on-failure