CAM: Remove C++14 workaround for boost

src/Mod/CAM/App/CMakeLists.txt

@@ -124,20 +124,6 @@ if (FREECAD_WARN_ERROR)
     target_compile_warn_error(Path)
 endif()
 
-# Boost >= 1.75.0
-if(NOT ${Boost_VERSION} LESS 107500)
-    set_target_properties(Path PROPERTIES CXX_STANDARD_REQUIRED ON)
-    set_target_properties(Path PROPERTIES CXX_STANDARD 14)
-
-    # Suppress -Wc++17-extensions when using  OCCT 7.5 or newer
-    if (MINGW AND CMAKE_COMPILER_IS_CLANGXX)
-        unset(_flag_found CACHE)
-        check_cxx_compiler_flag("-Wno-c++17-extensions" _flag_found)
-        if (_flag_found)
-            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-c++17-extensions")
-        endif()
-    endif()
-endif()
 
 if(FREECAD_USE_PCH)
     add_definitions(-D_PreComp_)