drm/xe: Remove obsolete async_ops from struct xe_vm

When sync binds were reworked and worker removed, async_ops became
obsolete. Remove it.

Fixes: f3e9b1f4 ("drm/xe: Remove async worker and rework sync binds")
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240117110908.2362615-1-mika.kuoppala@linux.intel.com
(cherry picked from commit e5f276dc)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/xe_vm_types.h

@@ -189,30 +189,6 @@ struct xe_vm {
 	 */
 	struct xe_range_fence_tree rftree[XE_MAX_TILES_PER_DEVICE];
 
-	/** @async_ops: async VM operations (bind / unbinds) */
-	struct {
-		/** @list: list of pending async VM ops */
-		struct list_head pending;
-		/** @work: worker to execute async VM ops */
-		struct work_struct work;
-		/** @lock: protects list of pending async VM ops and fences */
-		spinlock_t lock;
-		/** @fence: fence state */
-		struct {
-			/** @context: context of async fence */
-			u64 context;
-			/** @seqno: seqno of async fence */
-			u32 seqno;
-		} fence;
-		/** @error: error state for async VM ops */
-		int error;
-		/**
-		 * @munmap_rebind_inflight: an munmap style VM bind is in the
-		 * middle of a set of ops which requires a rebind at the end.
-		 */
-		bool munmap_rebind_inflight;
-	} async_ops;
-
 	const struct xe_pt_ops *pt_ops;
 
 	/** @userptr: user pointer state */