drm/xe: Remove ct->fence_context

This is unused, remove it.
Suggested-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_guc_ct.c

@@ -140,7 +140,6 @@ int xe_guc_ct_init(struct xe_guc_ct *ct)
 	mutex_init(&ct->lock);
 	spin_lock_init(&ct->fast_lock);
 	xa_init(&ct->fence_lookup);
-	ct->fence_context = dma_fence_context_alloc(1);
 	INIT_WORK(&ct->g2h_worker, g2h_worker_func);
 	init_waitqueue_head(&ct->wq);
 	init_waitqueue_head(&ct->g2h_fence_wq);

drivers/gpu/drm/xe/xe_guc_ct_types.h

@@ -100,8 +100,6 @@ struct xe_guc_ct {
 	bool enabled;
 	/** @fence_seqno: G2H fence seqno - 16 bits used by CT */
 	u32 fence_seqno;
-	/** @fence_context: context for G2H fence */
-	u64 fence_context;
 	/** @fence_lookup: G2H fence lookup */
 	struct xarray fence_lookup;
 	/** @wq: wait queue used for reliable CT sends and freeing G2H credits */