Make sure old map features are removed before adding new ones
Make sure old map features are removed before adding new ones

c2corg/v6_ui,olaurendeau/v6_ui,Courgetteandratatouille/v6_ui,Courgetteandratatouille/v6_ui,c2corg/v6_ui,c2corg/v6_ui,olaurendeau/v6_ui,olaurendeau/v6_ui,c2corg/v6_ui,Courgetteandratatouille/v6_ui,Courgetteandratatouille/v6_ui,olaurendeau/v6_ui