Remove legacy variables

templates/haproxy_cfg

@@ -172,7 +172,7 @@ backend backend_{{host}}
 {% if host == inventory_hostname or host == 'localhost' %}
   http-response deny
 {% else %}
-  server server_{{host}} {{hostvars[host]['static_ipv4']|default(hostvars[host]['ansible_default_ipv4']['address'])}}:80 maxconn 100
+  server server_{{host}} {{hostvars[host]['static_ipv4']}}:80 maxconn 100
 {% endif %}
 
 backend backend_{{host}}_bigpipe
@@ -180,7 +180,7 @@ backend backend_{{host}}_bigpipe
   http-response deny
 {% else %}
   no option http-buffer-request
-  server server_{{host}} {{hostvars[host]['static_ipv4']|default(hostvars[host]['ansible_default_ipv4']['address'])}}:80 maxconn 100
+  server server_{{host}} {{hostvars[host]['static_ipv4']}}:80 maxconn 100
 {% endif %}
 
 backend backend_{{host}}_https
@@ -188,7 +188,7 @@ backend backend_{{host}}_https
   http-response deny
 {% else %}
   http-response set-header Strict-Transport-Security "max-age=16000000; includeSubDomains; preload;"
-  server server_{{host}} {{hostvars[host]['static_ipv4']|default(hostvars[host]['ansible_default_ipv4']['address'])}}:80 maxconn 100
+  server server_{{host}} {{hostvars[host]['static_ipv4']}}:80 maxconn 100
 {% endif %}
 
 backend backend_{{host}}_https_bigpipe
@@ -197,7 +197,7 @@ backend backend_{{host}}_https_bigpipe
 {% else %}
   no option http-buffer-request
   http-response set-header Strict-Transport-Security "max-age=16000000; includeSubDomains; preload;"
-  server server_{{host}} {{hostvars[host]['static_ipv4']|default(hostvars[host]['ansible_default_ipv4']['address'])}}:80 maxconn 100
+  server server_{{host}} {{hostvars[host]['static_ipv4']}}:80 maxconn 100
 {% endif %}
 {% endfor %}
 {% if varnish_host|default(false) %}