i965/vec4: Use NIR to do GS input remapping

We're already doing this in the FS back-end.  This just does the same
thing in the vec4 back-end.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/intel/compiler/brw_vec4_tcs.cpp

@@ -413,7 +413,7 @@ brw_compile_tcs(const struct brw_compiler *compiler,
                             nir->info.patch_outputs_written);
 
    nir = brw_nir_apply_sampler_key(nir, compiler, &key->tex, is_scalar);
-   brw_nir_lower_vue_inputs(nir, is_scalar, &input_vue_map);
+   brw_nir_lower_vue_inputs(nir, &input_vue_map);
    brw_nir_lower_tcs_outputs(nir, &vue_prog_data->vue_map,
                              key->tes_primitive_mode);
    if (key->quads_workaround)