drm/xe/ct: drop irq usage of xa_erase()

Unclear why disabling interrupts is needed here. Nothing seems to be
touching fence_lookup and its corresponding lock from an irq so there
should be no risk of deadlock.

Signed-off-by: Matthew Auld <[e-mail]>
Cc: Matthew Brost <[e-mail]>
Cc: Badal Nilawar <[e-mail]>
Reviewed-by: Badal Nilawar <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/xe/xe_guc_ct.c

···
 			goto retry_same_fence;
 
 		if (!g2h_fence_needs_alloc(&g2h_fence))
-			xa_erase_irq(&ct->fence_lookup, g2h_fence.seqno);
+			xa_erase(&ct->fence_lookup, g2h_fence.seqno);
 
 		return ret;
 	}
···
 	if (!ret) {
 		xe_gt_err(gt, "Timed out wait for G2H, fence %u, action %04x, done %s",
 			  g2h_fence.seqno, action[0], str_yes_no(g2h_fence.done));
-		xa_erase_irq(&ct->fence_lookup, g2h_fence.seqno);
+		xa_erase(&ct->fence_lookup, g2h_fence.seqno);
 		mutex_unlock(&ct->lock);
 		return -ETIME;
 	}