Preparing for XCode project. Removing now obsolete files.

launchers/macosx/I2PLauncher/main.mm

launchers/macosx/I2PLauncher/portcheck.h

launchers/macosx/include/any.hpp

launchers/macosx/include/fn.h

launchers/macosx/include/strutil.hpp

launchers/macosx/include/subprocess.hpp

launchers/macosx/include/traits.hpp

launchers/macosx/obj-cpp/Makefile

launchers/macosx/obj-cpp/StatusItemButton.h

launchers/macosx/obj-cpp/StatusItemButton.mm

launchers/macosx/obj-cpp/build.ninja

launchers/macosx/obj-cpp/include/neither/either.hpp

launchers/macosx/obj-cpp/include/neither/lift.hpp

launchers/macosx/obj-cpp/include/neither/maybe.hpp

launchers/macosx/obj-cpp/include/neither/neither.hpp

launchers/macosx/obj-cpp/include/neither/try.hpp