r600: remove the use of separate nir options for fs

with lower_all_io_to_temps removed the shader options are now the
same for all shader types.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36013>
2 files changed