Osmocom configs: Fix compatability with latest release

modules/rhizo_base/templates/osmo-msc.cfg.erb

@@ -66,13 +66,13 @@ network
  rrlp mode none
  mm info 1
 msc
- sms-database <%= @sms_db %>
+<% if @repo == 'nightly' -%> sms-database <%= @sms_db %>
+<% end -%>
  mncc external /tmp/bsc_mncc
  mncc guard-timeout 180
  ncss guard-timeout 30
  no assign-tmsi
  cs7-instance-a 0
- cs7-instance-iu 0
  auth-tuple-max-reuse-count 3
  auth-tuple-reuse-on-error 1
  check-imei-rqd early