Polish "Use Object.equals() where feasible"

See gh-31916

spring-core/src/main/java/org/springframework/cglib/beans/BeanMap.java

@@ -1,13 +1,13 @@
 /*
- * Copyright 2003,2004 The Apache Software Foundation
+ * Copyright 2002-2023 the original author or authors.
  *
- *  Licensed under the Apache License, Version 2.0 (the "License");
+ * 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
+ * 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