anv: Drop unused anv_rt_bvh_build_method enum

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Iván Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35848>

src/intel/vulkan/anv_pipeline.c

@@ -3864,8 +3864,6 @@ anv_pipeline_compile_ray_tracing(struct anv_ray_tracing_pipeline *pipeline,
 VkResult
 anv_device_init_rt_shaders(struct anv_device *device)
 {
-   device->bvh_build_method = ANV_BVH_BUILD_METHOD_NEW_SAH;
-
    if (!device->vk.enabled_extensions.KHR_ray_tracing_pipeline)
       return VK_SUCCESS;
 

src/intel/vulkan/anv_private.h

@@ -1930,11 +1930,6 @@ enum anv_internal_kernel_name {
    ANV_INTERNAL_KERNEL_COUNT,
 };
 
-enum anv_rt_bvh_build_method {
-   ANV_BVH_BUILD_METHOD_TRIVIAL,
-   ANV_BVH_BUILD_METHOD_NEW_SAH,
-};
-
 /* If serialization-breaking or algorithm-breaking changes are made,
  * increment the digits at the end
  */
@@ -2108,8 +2103,6 @@ struct anv_device {
     struct anv_shader_bin                      *rt_trivial_return;
     struct anv_shader_bin                      *rt_null_ahs;
 
-    enum anv_rt_bvh_build_method                bvh_build_method;
-
     /** Draw generation shader
      *
      * Generates direct draw calls out of indirect parameters. Used to