[CI] Auto commit changes from spotless

Author: elasticsearchmachine

server/src/main/java/org/elasticsearch/index/fielddata/fieldcomparator/BytesRefFieldComparatorSource.java

@@ -15,7 +15,6 @@
 import org.apache.lucene.index.SortedSetDocValues;
 import org.apache.lucene.search.DocIdSetIterator;
 import org.apache.lucene.search.FieldComparator;
-import org.apache.lucene.search.LeafFieldComparator;
 import org.apache.lucene.search.Pruning;
 import org.apache.lucene.search.Scorable;
 import org.apache.lucene.search.SortField;