[CI] Auto commit changes from spotless

Author: elasticsearchmachine

x-pack/plugin/rank-rrf/src/internalClusterTest/java/org/elasticsearch/xpack/rank/rrf/RRFRetrieverBuilderIT.java

@@ -21,7 +21,6 @@
 import org.elasticsearch.index.query.QueryBuilders;
 import org.elasticsearch.plugins.Plugin;
 import org.elasticsearch.rest.RestStatus;
-import org.elasticsearch.search.SearchService;
 import org.elasticsearch.search.aggregations.AggregationBuilders;
 import org.elasticsearch.search.aggregations.bucket.terms.Terms;
 import org.elasticsearch.search.builder.SearchSourceBuilder;