staging: unisys: remove timskmod.h and procobjecttree.h

This patch move the needed linux include files from timskmod.h
to the files that calls those include. Also procobjecttree.h is
removed since it is dead code.

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