aco: Remove useless s_setprio near gs_alloc_req.

We learned that the gs_alloc_req is not actually when the export
space allocation happens. So it makes no sense to prioritize it.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10106>

src/amd/compiler/aco_instruction_selection.cpp

@@ -11117,9 +11117,6 @@ void ngg_emit_sendmsg_gs_alloc_req(isel_context *ctx, Temp vtx_cnt = Temp(), Tem
 {
    Builder bld(ctx->program, ctx->block);
 
-   /* It is recommended to do the GS_ALLOC_REQ as soon and as quickly as possible, so we set the maximum priority (3). */
-   bld.sopp(aco_opcode::s_setprio, -1u, 0x3u);
-
    /* Get the id of the current wave within the threadgroup (workgroup) */
    Builder::Result wave_id_in_tg = bld.sop2(aco_opcode::s_bfe_u32, bld.def(s1), bld.def(s1, scc),
                                             get_arg(ctx, ctx->args->ac.merged_wave_info), Operand(24u | (4u << 16)));
@@ -11190,10 +11187,6 @@ void ngg_emit_sendmsg_gs_alloc_req(isel_context *ctx, Temp vtx_cnt = Temp(), Tem
    }
 
    end_uniform_if(ctx, &ic);
-
-   /* After the GS_ALLOC_REQ is done, reset priority to default (0). */
-   bld.reset(ctx->block);
-   bld.sopp(aco_opcode::s_setprio, -1u, 0x0u);
 }
 
 Temp ngg_pack_prim_exp_arg(isel_context *ctx, unsigned num_vertices, const Temp vtxindex[], const Temp is_null)