drm/i915: remove intel_vgpu_opregion::mapped

intel_vgpu_opregion::mapped is not used since commit 36774806
(drm/i915/gvt: remove enum hypervisor_type). Drop it.

Found by https://github.com/jirislaby/clang-struct.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240216065326.6910-14-jirislaby@kernel.org

drivers/gpu/drm/i915/gvt/gvt.h

@@ -118,7 +118,6 @@ struct intel_vgpu_irq {
 };
 
 struct intel_vgpu_opregion {
-	bool mapped;
 	void *va;
 	u32 gfn[INTEL_GVT_OPREGION_PAGES];
 };