Cleanup tile loading code
Cleanup tile loading code

StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,Distrotech/libchamplain,GNOME/libchamplain,GNOME/libchamplain,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,StanciuMarius/Libchamplain-map-wrapping