drm/i915/guc: Remove spurious include

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1480096777-12573-6-git-send-email-arkadiusz.hiler@intel.com


Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>