Remove unnecessary semicolon from vhosts config

Remove semicolon after `{{ vhost.extra_parameters }}` to allow support for blocks like `location ~ \.php$ { ... }`.

templates/vhosts.j2

@@ -18,7 +18,7 @@ server {
     {% endif %}
 
     {% if vhost.extra_parameters is defined %}
-    {{ vhost.extra_parameters }};
+    {{ vhost.extra_parameters }}
     {% endif %}
 }
 {% endfor %}