zink: remove duplicate format-mapping on little-endian
Doing *both* of thse ends up rewriting the previous mapping. Since this doesn't seem to have lead to issues, it seems like the new mapping works just as well. Fixes: a22a1c03 ("zink: Fix VK_FORMAT_A8B8G8R8_SRGB_PACK32 mapping on big-endian") Reviewed-by:Adam Jackson <ajax@redhat.com> Part-of: <!11417>