staging: unisys: remove DBGINF, DBGVER, DEBUGDEV, and DEBUGDRV macros

The messages put out by these macros are for driver debugging and aren't needed
any more, so just remove all use of them, and the macros too.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>