[CI] Auto commit changes from spotless

Author: elasticsearchmachine

server/src/main/java/org/elasticsearch/ingest/WriteReportingSet.java

@@ -11,7 +11,6 @@
 
 import java.util.Collection;
 import java.util.Iterator;
-import java.util.List;
 import java.util.Set;
 import java.util.Spliterator;
 import java.util.function.Consumer;