[CI] Auto commit changes from spotless

Author: elasticsearchmachine

x-pack/plugin/migrate/src/internalClusterTest/java/org/elasticsearch/system_indices/action/SystemDataStreamMigrationIT.java

@@ -18,7 +18,6 @@
 import org.elasticsearch.cluster.metadata.DataStream;
 import org.elasticsearch.cluster.metadata.DataStreamTestHelper;
 import org.elasticsearch.cluster.metadata.IndexMetadata;
-import org.elasticsearch.cluster.metadata.Metadata;
 import org.elasticsearch.cluster.metadata.ProjectMetadata;
 import org.elasticsearch.cluster.metadata.Template;
 import org.elasticsearch.common.Strings;