Polishing.

Remove unused import.

See #1086.

Author: mp911de

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/repository/support/SimpleReactiveCassandraRepositoryIntegrationTests.java

@@ -15,7 +15,6 @@
  */
 package org.springframework.data.cassandra.repository.support;
 
-import static org.apache.tinkerpop.gremlin.util.iterator.IteratorUtils.*;
 import static org.assertj.core.api.Assertions.*;
 import static org.junit.Assume.*;