[CI] Auto commit changes from spotless

Author: elasticsearchmachine

server/src/test/java/org/elasticsearch/index/engine/ThreadPoolMergeExecutorServiceDiskSpaceTests.java

@@ -45,7 +45,6 @@
 
 import static org.elasticsearch.index.engine.ThreadPoolMergeScheduler.Schedule.BACKLOG;
 import static org.elasticsearch.index.engine.ThreadPoolMergeScheduler.Schedule.RUN;
-import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 import static org.hamcrest.Matchers.is;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.mock;