[CI] Auto commit changes from spotless

Author: elasticsearchmachine

server/src/test/java/org/elasticsearch/index/mapper/vectors/SparseVectorFieldMapperTests.java

@@ -40,7 +40,6 @@
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Random;
 
 import static java.lang.Math.random;
 import static org.elasticsearch.index.mapper.vectors.SparseVectorFieldMapper.NEW_SPARSE_VECTOR_INDEX_VERSION;