disabled -Wpoison-system-directoriesunconditionally on macOS (danmar#7839)

Author: firewave

cmake/compileroptions.cmake

@@ -100,7 +100,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
         add_compile_options(-gdwarf-4)
     endif()
 
-    if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16)
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
         add_compile_options(-Wno-poison-system-directories)
     endif()