Merge pull request OpenFeign#2584 from dancer1325/refactor/jackson/re…

…move_unusedimports

refactor(jackson): remove unused imports

jackson/src/main/java/feign/jackson/JacksonDecoder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 The Feign Authors
+ * Copyright 2012-2024 The Feign 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
@@ -17,8 +17,6 @@
 import java.io.IOException;
 import java.io.Reader;
 import java.lang.reflect.Type;
-import java.nio.charset.Charset;
-import java.util.Collection;
 import java.util.Collections;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.Module;