Remove obsolete constants from the POVMS interface.
Remove obsolete constants from the POVMS interface.

c-lipka/povray,c-lipka/povray,wfpokorny/povray,c-lipka/povray,LeForgeron/povray,LeForgeron/povray,LeForgeron/povray,wfpokorny/povray,LeForgeron/povray,wfpokorny/povray,eblanca/povray,wfpokorny/povray,LeForgeron/povray,c-lipka/povray,BentSm/povray,POV-Ray/povray,POV-Ray/povray,eblanca/povray,wfpokorny/povray,POV-Ray/povray,wfpokorny/povray,POV-Ray/povray,BentSm/povray,eblanca/povray,LeForgeron/povray,LeForgeron/povray,POV-Ray/povray,POV-Ray/povray,eblanca/povray,LeForgeron/povray,POV-Ray/povray,BentSm/povray,BentSm/povray,wfpokorny/povray