[ffiwzard] freifunk-berlin/firmware#30 Remove defaults from wizard

do not delete olsrd_mdns.so.1.0.0 and olsrd_httpinfo.so.0.1 because they
are not in /etc/config/olsrd after flashing the router and we don't
configure them anyway
[ffiwzard] freifunk-berlin/firmware#30 Remove defaults from wizard

moved olsr jsoninfo plugin configuration to wizarddefaults