gluon-web-admin: remove pubkey empty string workarround

Co-Authored-By: Matthias Schiffer <mschiffer@universe-factory.net>

package/gluon-web-admin/files/lib/gluon/config-mode/view/admin/info.html

@@ -18,17 +18,13 @@
 		if active_vpn ~= nil then
 			pubkey = active_vpn.public_key()
 		end
-
-		if pubkey == '' then
-			pubkey = nil
-		end
 	end
 
 	local values = {
 		{ _('Hostname'), pretty_hostname.get(uci) },
 		{ _('MAC address'), sysconfig.primary_mac },
 		{ _('Hardware model'), platform.get_model() },
-		{ _('Gluon version') .. " / " .. _('Site version'), util.trim(util.readfile('/lib/gluon/gluon-version')) 
+		{ _('Gluon version') .. " / " .. _('Site version'), util.trim(util.readfile('/lib/gluon/gluon-version'))
 			.. " / " .. util.trim(util.readfile('/lib/gluon/site-version')) },
 		{ _('Firmware release'), util.trim(util.readfile('/lib/gluon/release')) },
 		{ _('Site'), site.site_name() },