fix destination limiting and cancelling logic in move_to_removed_server case

fdbserver/DataDistributionQueue.actor.cpp

@@ -1378,6 +1378,7 @@ ACTOR Future<Void> dataDistributionRelocator(DDQueueData* self, RelocateData rd,
 			} else {
 				TEST(true); // move to removed server
 				healthyDestinations.addDataInFlightToTeam(-metrics.bytes);
+				rd.completeDests.clear();
 				wait(delay(SERVER_KNOBS->RETRY_RELOCATESHARD_DELAY, TaskPriority::DataDistributionLaunch));
 			}
 		}