cam: Remove non-sbuf announce/denounce proto and xport ops

[jhb]

Summary

Sponsored by: Chelsio Communications

sys/cam/cam_xpt_internal.h

 typedef void (*xpt_announce_periph_func)(struct cam_periph *periph);
 typedef void (*xpt_announce_periph_sbuf_func)(struct cam_periph *periph, struct sbuf *sbuf);
 
 struct xpt_xport_ops {
         xpt_alloc_device_func   alloc_device;
         xpt_release_device_func reldev;
         xpt_action_func         action;
         xpt_dev_async_func      async;
-        xpt_announce_periph_func announce;
         xpt_announce_periph_sbuf_func announce_sbuf;
 };
 
 struct xpt_xport {
         cam_xport               xport;
         const char              *name;
         struct xpt_xport_ops    *ops;
 };
 
 SET_DECLARE(cam_xpt_xport_set, struct xpt_xport);
 #define CAM_XPT_XPORT(data)                             \
         DATA_SET(cam_xpt_xport_set, data)
 
 typedef void (*xpt_proto_announce_func)(struct cam_ed *);
 typedef void (*xpt_proto_announce_sbuf_func)(struct cam_ed *, struct sbuf *);
 typedef void (*xpt_proto_debug_out_func)(union ccb *);
 
 struct xpt_proto_ops {
-        xpt_proto_announce_func announce;
         xpt_proto_announce_sbuf_func    announce_sbuf;
-        xpt_proto_announce_func denounce;
         xpt_proto_announce_sbuf_func    denounce_sbuf;
         xpt_proto_debug_out_func debug_out;
 };
 
 struct xpt_proto {
         cam_proto               proto;
         const char              *name;
         struct xpt_proto_ops    *ops;