Renewal of Ro maps

[benjcallaghan]

The first two raid zones are out. Neither zone has a map, but both should use the same image as their corresponding overland zone.

exp19_dun_plateaus_raid_01_ = Raj'Dur Plateaus: The Hunt [Raid]
exp19_dun_sandstone_delta_raid_01_ = Sandstone Delta: The Standing Storm [Raid]