Remove unused annotation

Author: ivancea

server/src/internalClusterTest/java/org/elasticsearch/search/aggregations/bucket/FiltersCancellationIT.java

@@ -43,7 +43,6 @@
 import static org.hamcrest.Matchers.not;
 
 @ESIntegTestCase.SuiteScopeTestCase
-@ESIntegTestCase.ClusterScope(numDataNodes = 1)
 public class FiltersCancellationIT extends ESIntegTestCase {
 
     private static final String INDEX = "idx";