Removed the it

nit*

Author: mridula-s109

x-pack/plugin/rank-rrf/src/internalClusterTest/java/org/elasticsearch/xpack/rank/rrf/RRFRetrieverBuilderIT.java

@@ -838,5 +838,4 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
         );
         assertThat(numAsyncCalls.get(), equalTo(4));
     }
-
 }