switching off macos build on travis until it's back to normal
switching off macos build on travis until it's back to normal

ketchupok/csound,csound/csound,ketchupok/csound,csound/csound,csound/csound,csound/csound,csound/csound,csound/csound,csound/csound,csound/csound,csound/csound,ketchupok/csound,csound/csound,ketchupok/csound,ketchupok/csound,ketchupok/csound,ketchupok/csound,ketchupok/csound,ketchupok/csound,ketchupok/csound