[PATCH] kill use_blk_tcq template flag

The flag isn't checked ever as drivers using the block layer tcq
code do so by themselves, without any interaction to the scsi midlayer.

drivers/scsi/53c700.c

@@ -280,7 +280,6 @@ NCR_700_detect(Scsi_Host_Template *tpnt,
 	tpnt->use_clustering = DISABLE_CLUSTERING;
 	tpnt->slave_configure = NCR_700_slave_configure;
 	tpnt->slave_destroy = NCR_700_slave_destroy;
-	tpnt->use_blk_tcq = 1;
 	
 	if(tpnt->name == NULL)
 		tpnt->name = "53c700";

drivers/scsi/hosts.c

@@ -238,7 +238,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 	shost->cmd_per_lun = sht->cmd_per_lun;
 	shost->unchecked_isa_dma = sht->unchecked_isa_dma;
 	shost->use_clustering = sht->use_clustering;
-	shost->use_blk_tcq = sht->use_blk_tcq;
 
 	if (sht->max_host_blocked)
 		shost->max_host_blocked = sht->max_host_blocked;

include/scsi/scsi_host.h

@@ -312,12 +312,6 @@ struct scsi_host_template {
 	 */
 	unsigned emulated:1;
 
-	/* 
-	 * True if the driver wishes to use the generic block layer
-	 * tag queueing functions
-	 */
-	unsigned use_blk_tcq:1;
-
 	/*
 	 * Countdown for host blocking with no commands outstanding
 	 */