Remove the workaround related to resize_viewport()
Remove the workaround related to resize_viewport()

I don't see anything in resize_viewport that could possibly change
priv->latitude and priv->longitude so this workaround is not probably
needed any more.

Signed-off-by: Jiří Techet <af18a4329e30c3b95edc4d3e647176d16d87c9c7@gmail.com>

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