ChamplainBiew->remove_layer() is tested only if 0.4.1 is available
ChamplainBiew->remove_layer() is tested only if 0.4.1 is available

StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,GNOME/perl-Gtk2-Champlain,PabloCastellano/libchamplain,GNOME/perl-Gtk2-Champlain,Distrotech/libchamplain,potyl/champlain,PabloCastellano/libchamplain,potyl/champlain,StanciuMarius/Libchamplain-map-wrapping,PabloCastellano/libchamplain,potyl/champlain,StanciuMarius/Libchamplain-map-wrapping,StanciuMarius/Libchamplain-map-wrapping,GNOME/libchamplain,Distrotech/libchamplain,Distrotech/libchamplain,GNOME/perl-Champlain,StanciuMarius/Libchamplain-map-wrapping,GNOME/perl-Champlain,PabloCastellano/libchamplain,PabloCastellano/libchamplain,Distrotech/libchamplain,GNOME/libchamplain,potyl/champlain