Remove copyright from the anchor-rewrite.properties

spring-boot-project/spring-boot-docs/src/docs/asciidoc/anchor-rewrite.properties

@@ -1,19 +1,3 @@
-#
-# Copyright 2012-2023 the original author or authors.
-#
-# 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
-#
-#      https://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.
-#
-
 # Spring Boot 2.x - 2.4 Migrations
 #---------------------------------------------------
 spring-boot-reference-documentation=index