Remove NVBench SHA override. (#15633)

The override is no longer necessary as rapids-cmake now uses the same version that was set by the override.

Refs rapidsai/rapids-cmake#584, #15492

Authors:
  - Allison Piper (https://github.com/alliepiper)
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - Robert Maynard (https://github.com/robertmaynard)
  - Bradley Dice (https://github.com/bdice)

URL: #15633

cpp/cmake/thirdparty/get_nvbench.cmake

@@ -1,5 +1,5 @@
 # =============================================================================
-# Copyright (c) 2023, NVIDIA CORPORATION.
+# Copyright (c) 2023-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 # in compliance with the License. You may obtain a copy of the License at
@@ -18,9 +18,6 @@ function(find_and_configure_nvbench)
   include(${rapids-cmake-dir}/cpm/nvbench.cmake)
   include(${rapids-cmake-dir}/cpm/package_override.cmake)
 
-  set(cudf_patch_dir "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/patches")
-  rapids_cpm_package_override("${cudf_patch_dir}/nvbench_override.json")
-
   rapids_cpm_nvbench(BUILD_STATIC)
 
 endfunction()