Remove unneeded/deprecated apache configuration

roles/common/tasks/ssl.yml

   command: a2enmod ssl creates=/etc/apache2/mods-enabled/ssl.load
   notify: restart apache
 
-- name: Enable NameVirtualHost for HTTPS
-  lineinfile:
-    dest=/etc/apache2/ports.conf regexp='^    NameVirtualHost \*:443'
-    insertafter='^<IfModule mod_ssl.c>'
-    line='    NameVirtualHost *:443'
-  notify: restart apache
-
 - name: Enable Apache SOCACHE_SHMCB module for the SSL stapling cache
   command: a2enmod socache_shmcb
     creates=/etc/apache2/mods-enabled/socache_shmcb.load

roles/common/templates/etc_apache2_conf-available_ssl.conf.j2

 
 SSLCertificateKeyFile	/etc/letsencrypt/live/{{ domain }}/privkey.pem
 SSLCertificateFile	/etc/letsencrypt/live/{{ domain }}/fullchain.pem
-SSLCertificateChainFile	/etc/letsencrypt/live/{{ domain }}/chain.pem
 
 SSLCipherSuite ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK