rusticl: stop clearing shader images after every dispatch

this causes thrashing when the same images are used in successive kernels

Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33322>

src/gallium/frontends/rusticl/core/kernel.rs

@@ -1598,7 +1598,6 @@ impl Kernel {
             }
 
             ctx.clear_global_binding(globals.len() as u32);
-            ctx.clear_shader_images(iviews.len() as u32);
             ctx.clear_sampler_views(sviews_len as u32);
             ctx.clear_sampler_states(samplers.len() as u32);