unused imports

Author: dnhatn

server/src/test/java/org/elasticsearch/action/search/TransportSearchIT.java

@@ -25,7 +25,6 @@
 import org.elasticsearch.index.IndexSettings;
 import org.elasticsearch.index.query.RangeQueryBuilder;
 import org.elasticsearch.index.shard.IndexShard;
-import org.elasticsearch.index.shard.IndexShardTestCase;
 import org.elasticsearch.indices.IndicesService;
 import org.elasticsearch.test.ESIntegTestCase;