cuda: Remove unused cmake check_function_exist

CMakeLists.txt

@@ -366,15 +366,6 @@ if(NOT CHAMELEON_SIMULATION)
             endif()
             if (CUDA_LIBRARIES)
                 set_target_properties(CUDA::CUDA PROPERTIES INTERFACE_LINK_LIBRARIES "${CUDA_LIBRARIES}")
-                set(CMAKE_REQUIRED_INCLUDES  "${CUDA_INCLUDE_DIRS}")
-                set(CMAKE_REQUIRED_LIBRARIES "${CUDA_LIBRARIES}")
-                if(CUDA_VERSION VERSION_LESS "4.0")
-                    set(CUDA_HAVE_PEER_DEVICE_MEMORY_ACCESS 0)
-                else()
-                    check_function_exists(cuDeviceCanAccessPeer CUDA_HAVE_PEER_DEVICE_MEMORY_ACCESS)
-                endif()
-                unset(CMAKE_REQUIRED_INCLUDES)
-                unset(CMAKE_REQUIRED_LIBRARIES)
                 # Add cublas if found
                 if (CUDA_CUBLAS_LIBRARIES)
                     set_target_properties(CUDA::CUBLAS PROPERTIES INTERFACE_LINK_LIBRARIES "${CUDA_CUBLAS_LIBRARIES}")