gluon-config-mode-geo-location: fix source/i18n mismatch

The text was changed in the i18n files, but the corresponding change in the
Lua sources seemingly got lost during a rebase.

Closes #1611

(cherry picked from commit 2aa324ec)

package/gluon-config-mode-geo-location/luasrc/lib/gluon/config-mode/wizard/0400-geo-location.lua

@@ -15,7 +15,7 @@ return function(form, uci)
 	if not text then
 		text = pkg_i18n.translate(
 			'If you want the location of your node to ' ..
-			'be displayed on the map, you can enter its coordinates here.'
+			'be displayed on public maps, you can enter its coordinates here.'
 		)
 		if osm then
 			text = text .. ' ' .. osm.help(i18n)