Remove unused MPIX_Query_cuda_support from api_cc CMakeLists.txt

Co-authored-by: njzjz <9496702+njzjz@users.noreply.github.com>

Author: Copilot

source/api_cc/CMakeLists.txt

@@ -51,16 +51,6 @@ set_target_properties(
 target_compile_definitions(${libname} PRIVATE TF_PRIVATE)
 find_package(MPI)
 if(MPI_FOUND)
-  include(CheckCXXSymbolExists)
-  set(CMAKE_REQUIRED_INCLUDES ${MPI_CXX_INCLUDE_DIRS})
-  set(CMAKE_REQUIRED_LIBRARIES ${MPI_CXX_LIBRARIES})
-  check_cxx_symbol_exists(MPIX_Query_cuda_support "mpi.h" CUDA_AWARE)
-  if(NOT CUDA_AWARE)
-    check_cxx_symbol_exists(MPIX_Query_cuda_support "mpi.h;mpi-ext.h" OMP_CUDA)
-    if(NOT OMP_CUDA)
-      target_compile_definitions(${libname} PRIVATE NO_CUDA_AWARE)
-    endif()
-  endif()
   target_link_libraries(${libname} PRIVATE MPI::MPI_CXX)
   target_compile_definitions(${libname} PRIVATE USE_MPI)
 endif()