TundraInstall.cmake: add setup_remove_directory.
TundraInstall.cmake: add setup_remove_directory.

pharos3d/tundra,realXtend/tundra,pharos3d/tundra,AlphaStaxLLC/tundra,BogusCurry/tundra,AlphaStaxLLC/tundra,BogusCurry/tundra,realXtend/tundra,BogusCurry/tundra,realXtend/tundra,BogusCurry/tundra,pharos3d/tundra,AlphaStaxLLC/tundra,AlphaStaxLLC/tundra,realXtend/tundra,BogusCurry/tundra,AlphaStaxLLC/tundra,pharos3d/tundra,AlphaStaxLLC/tundra,pharos3d/tundra,pharos3d/tundra,BogusCurry/tundra,realXtend/tundra,realXtend/tundra