Remove commented code from ESILRTC

This commit removes some commented out code from
ESIndexLevelReplicationTestCase.java that was inadvertently committed.

core/src/test/java/org/elasticsearch/index/replication/ESIndexLevelReplicationTestCase.java

@@ -210,7 +210,6 @@ public abstract class ESIndexLevelReplicationTestCase extends IndexShardTestCase
             primary.recoverFromStore();
             primary.updateRoutingEntry(ShardRoutingHelper.moveToStarted(primary.routingEntry()));
             for (final IndexShard replica : replicas) {
-                //replica.markAsRecovering("peer recovery", new RecoveryState(replica.routingEntry(), getDiscoveryNode(replica.routingEntry().currentNodeId()), pNode));
                 recoverReplica(replica);
             }
             updateAllocationIDsOnPrimary();