Remove Confusing Comment (elastic#43400)

Author: synical

server/src/main/java/org/elasticsearch/indices/recovery/RemoteRecoveryTargetHandler.java

@@ -70,7 +70,6 @@ public RemoteRecoveryTargetHandler(long recoveryId, ShardId shardId, TransportSe
                 .withTimeout(recoverySettings.internalActionLongTimeout())
                 .build();
         this.fileChunkRequestOptions = TransportRequestOptions.builder()
-                // we are saving the cpu for other things
                 .withType(TransportRequestOptions.Type.RECOVERY)
                 .withTimeout(recoverySettings.internalActionTimeout())
                 .build();