nvme: Don't set prp1 for DEL_IOCQ

[Stefan Fritsch]

NVM_ADMIN_DEL_IOCQ does not need prp1 (just as NVM_ADMIN_DEL_IOSQ).
Remove what is likely a cut'n'paste error from the *_ADD_* code.

ok?

--- sys/dev/ic/nvme.c
+++ sys/dev/ic/nvme.c
@@ -1120,7 +1120,6 @@ nvme_q_delete(struct nvme_softc *sc, struct nvme_queue *q)
 
        memset(&sqe, 0, sizeof(sqe));
        sqe.opcode = NVM_ADMIN_DEL_IOCQ;
-       htolem64(&sqe.prp1, NVME_DMA_DVA(q->q_sq_dmamem));
        htolem16(&sqe.qid, q->q_id);
 
        rv = nvme_poll(sc, sc->sc_admin_q, ccb, nvme_sqe_fill);