intel/fs,vec4: Drop support for shader time

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14056>

src/intel/compiler/gfx6_gs_visitor.h

@@ -42,10 +42,9 @@ public:
                    const nir_shader *shader,
                    void *mem_ctx,
                    bool no_spills,
-                   int shader_time_index,
                    bool debug_enabled) :
       vec4_gs_visitor(comp, log_data, c, prog_data, shader, mem_ctx, no_spills,
-                      shader_time_index, debug_enabled)
+                      debug_enabled)
       {
       }