registry-server: Demote g_print() to g_debug()
registry-server: Demote g_print() to g_debug()

Avoid doing this sort of thing during normal startup.

matzipan/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server