radeonsi: remove unused si_shader_info::uses_(vertexid|basevertex)

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6624>
diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h
index bf4d9ca..59c1d76 100644
--- a/src/gallium/drivers/radeonsi/si_shader.h
+++ b/src/gallium/drivers/radeonsi/si_shader.h
@@ -358,9 +358,6 @@
    bool uses_persp_opcode_interp_sample;
    bool uses_linear_opcode_interp_sample;
    bool uses_instanceid;
-   bool uses_vertexid;
-   bool uses_vertexid_nobase;
-   bool uses_basevertex;
    bool uses_drawid;
    bool uses_primid;
    bool uses_frontface;
diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 8341181..8873aa2 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -303,15 +303,6 @@
          }
          break;
       }
-      case nir_intrinsic_load_vertex_id:
-         info->uses_vertexid = 1;
-         break;
-      case nir_intrinsic_load_vertex_id_zero_base:
-         info->uses_vertexid_nobase = 1;
-         break;
-      case nir_intrinsic_load_base_vertex:
-         info->uses_basevertex = 1;
-         break;
       case nir_intrinsic_load_draw_id:
          info->uses_drawid = 1;
          break;