removes <Actor> from the generic template_* files
removes <SpecificName> from the generic template_* files
removes <GenericName> from the gaia/ruins/* files
removes <GenericName> from the gaia/treasure/* files
removes <Icon> from the gaia/treasure/* files if it's identical to the parent template
adds the appropriate actors to their specific children in the cases they were not yet included there
adds the appropriate specific names to their specific children in the cases they were not yet included there
use title case for the gaul theatron
<Actor> is still present in the following generic templates:
template_formation.xml
template_unit_catafalque.xml
Reviewed by: @Stan
Patch by: @Nescio
Differential Revision: https://code.wildfiregames.com/D1759