anv/image: Remove extra dependency on HiZ-specific variable

anv/image: Remove extra dependency on HiZ-specific variable

surf_usage is only useful to image views that may use HiZ buffers.
Storage image views don't use HiZ buffers.

v2: Update commit message and add an assertion.

Fixes: 055ff2ec521 ("anv: Replace anv_image_has_hiz() with ISL_AUX_USAGE_HIZ")
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
(cherry picked from commit 258af3a856328934d30b7cdf626d5fdba76852f2)
[Emil Velikov: resolve trivial conflicts]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Conflicts:
	src/intel/vulkan/anv_image.c