anv: remove pre hasvk split assert

With softpin we should not always expect a BO in addresses.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20497>

src/intel/vulkan/anv_private.h

@@ -2477,7 +2477,6 @@ anv_gfx8_9_vb_cache_range_needs_workaround(struct anv_vb_cache_range *bound,
       return false;
    }
 
-   assert(vb_address.bo);
    bound->start = intel_48b_address(anv_address_physical(vb_address));
    bound->end = bound->start + vb_size;
    assert(bound->end > bound->start); /* No overflow */