Role ipt-server: migrate o13-git, first install on h.mx, remove obsolete host_vars of oolm-db.

o13-git was removed from no_ipt_firewall (hosts, already in 57970a6).
h.mx gets the same dovecot auth networks as a.mx.
oolm-db.oopen.de is identical to o21.oopen.de.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

host_vars/h.mx.oopen.de/h.mx-ipt-server.yml

@@ -25,6 +25,8 @@ fw_smtpd_ips: $ext_1_ip
 fw_mail_server_ips: $ext_1_ip
 fw_mail_client_ips: $ext_1_ip
 fw_dovecot_auth_service: true
+fw_dovecot_auth_allowed_networks_v4: 159.69.74.155 148.251.14.136 94.16.115.62
+fw_dovecot_auth_allowed_networks_v6: "2a01:4f8:231:19a7::155 2a01:4f8:201:7389::136"
 
 # - meet.oopen.de       -> 159.69.74.155
 # - meet.akweb.de       -> 148.251.14.136

host_vars/o13-git.oopen.de/o13-git-ipt-server.yml

@@ -3,7 +3,7 @@
 # Generated by extract-fw-host-vars.py - review before committing!
 # Place in: host_vars/<hostname>/<short-hostname>-ipt-server.yml
 
-fw_manage_config: false
+fw_manage_config: true
 
 # --- Network
 fw_ext_interfaces:

host_vars/oolm-db.oopen.de

@@ -1 +0,0 @@
-o21.oopen.de