drm/i915: Drop the shadow w/a batch buffer

While this is technically the batch as executed by the HW (in part at
least), it is confusing, and only used for a minority of gen.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110123059.1348712-2-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_gpu_error.c

@@ -1428,8 +1428,6 @@ intel_engine_coredump_add_request(struct intel_engine_coredump *ee,
 	vma = capture_user(vma, rq, gfp);
 	vma = capture_vma(vma, rq->ring->vma, "ring", gfp);
 	vma = capture_vma(vma, rq->context->state, "HW context", gfp);
-	if (HAS_BROKEN_CS_TLB(rq->i915))
-		vma = capture_vma(vma, ee->engine->gt->scratch, "WA batch", gfp);
 
 	ee->cpu_ring_head = rq->ring->head;
 	ee->cpu_ring_tail = rq->ring->tail;