rm announced foo from ffnw-node-info

ffnw-node-info/files/lib/gluon/announce/nodeinfo.d/location

-if uci:get_first('gluon-node-info', 'location', 'share_location', false) then
-	return {
-		mobile = tonumber(uci:get_first('gluon-node-info', 'location', 'mobile_location')),
-		latitude = tonumber(uci:get_first('gluon-node-info', 'location', 'latitude')),
-		longitude = tonumber(uci:get_first('gluon-node-info', 'location', 'longitude')),
-		altitude = tonumber(uci:get_first('gluon-node-info', 'location', 'altitude')),
-	}
-end

ffnw-node-info/files/lib/gluon/announce/nodeinfo.d/owner

-local contact = uci:get_first('gluon-node-info', 'owner', 'contact', '')
-if contact ~= '' then
-	return { contact = contact }
-end

ffnw-node-info/files/lib/gluon/announce/nodeinfo.d/system/role

-local role = uci:get_first('gluon-node-info', 'system', 'role', '')
-if role ~= '' then
-        return role
-end