Staging: unisys: include: Remove unused macros from timskmod.h

The following macros were never referenced and have been removed:
	DEVFROMID
	DEVFROMFILE
	DEVFROMINODE
	DEVFROMIDX
	TRY_WPOSTCODE_3

Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>