lavapipe: do not mark unsupported tests as crashing
These were fixed previously, but due to the CI not really running all tests any more, I didn't notice these fixes. Let's bring the expected results up to date. Fixes: 2e29857b ("llvmpipe: only report supported shader-image formats") Reviewed-by:Emma Anholt <emma@anholt.net> Part-of: <mesa/mesa!12077>