changed CMakeLists.txt of GridGenerator

src/gpu/GridGenerator/CMakeLists.txt

-project(GridGenerator LANGUAGES CUDA CXX)
-
+project(GridGenerator LANGUAGES CXX)
 
 vf_add_library(PRIVATE_LINK basics OpenMP::OpenMP_CXX)
-
-vf_get_library_name(library_name)
-set_target_properties(${library_name} PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
-
-# according to linker error when building static libraries.
-# https://stackoverflow.com/questions/50033435/cmake-cuda-separate-compilation-static-lib-link-error-on-windows-but-not-on-ubun
-if (NOT BUILD_SHARED_LIBRARY)
-    set_target_properties(${library_name} PROPERTIES CUDA_RESOLVE_DEVICE_SYMBOLS ON)
-endif()
-
-# we want to suppress all cuda warnings so far for this library.
-target_compile_options(${library_name} PUBLIC $<$<COMPILE_LANGUAGE:CUDA>:-Xcudafe "-w" >)
\ No newline at end of file