Remove max and pd tutorials from makefile since they have been moved to their respective repositories.
Remove max and pd tutorials from makefile since they have been moved to their respective repositories.

johnty/libmapper,radarsat1/libmapper,radarsat1/libmapper,libmapper/libmapper,johnty/libmapper,malloch/libmapper,radarsat1/libmapper,malloch/libmapper,libmapper/libmapper,malloch/libmapper,malloch/libmapper,radarsat1/libmapper,libmapper/libmapper,libmapper/libmapper,johnty/libmapper,johnty/libmapper,malloch/libmapper,libmapper/libmapper,malloch/libmapper,radarsat1/libmapper,johnty/libmapper,libmapper/libmapper