hw/block/nvme: fix warning about legacy namespace configuration

Remove the unused BlockConf from the controller structure and remove the
noop constraint checking.

Device works just fine with both legacy drive parameter namespace and
nvme-ns namespace definitions.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>

hw/block/nvme.c

@@ -5805,11 +5805,6 @@ static void nvme_check_constraints(NvmeCtrl *n, Error **errp)
         params->max_ioqpairs = params->num_queues - 1;
     }
 
-    if (n->conf.blk) {
-        warn_report("drive property is deprecated; "
-                    "please use an nvme-ns device instead");
-    }
-
     if (params->max_ioqpairs < 1 ||
         params->max_ioqpairs > NVME_MAX_IOQPAIRS) {
         error_setg(errp, "max_ioqpairs must be between 1 and %d",

hw/block/nvme.h

@@ -166,7 +166,6 @@ typedef struct NvmeCtrl {
     NvmeBar      bar;
     NvmeParams   params;
     NvmeBus      bus;
-    BlockConf    conf;
 
     uint16_t    cntlid;
     bool        qs_created;