staging: unisys: remove globals.h

globals.h is only included in visorchannel.c and only contains 2 includes.
These can be included directly in visorchannel.c.

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