scsi: remove scsi_show_result()

Open-code scsi_print_result in sd.c, and cleanup logging to
not print duplicate informations.
Also remove the call to scsi_show_result() in ufshcd.c
to be consistent with other callers of scsi_execute().

With that we can remove scsi_show_result in constants.c

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

include/scsi/scsi_dbg.h

@@ -17,7 +17,6 @@ extern void scsi_print_sense(const struct scsi_cmnd *);
 extern void __scsi_print_sense(const struct scsi_device *, const char *name,
 			       const unsigned char *sense_buffer,
 			       int sense_len);
-extern void scsi_show_result(int);
 extern void scsi_print_result(struct scsi_cmnd *);
 extern const char *scsi_hostbyte_string(int);
 extern const char *scsi_driverbyte_string(int);