Staging: w35und: remove useless macro from common.h

The DebugUsbdStatusInformation macro doesn't do anything useful so remove the
definition and the two users of it from driver code.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>