libravatar: don't relay email through bastion

roles/libravatar/tasks/main.yml

@@ -20,6 +20,11 @@
   - "policycoreutils-python"
   - "postfix"
 
+- lineinfile:
+  path: /etc/postfix/main.cf
+  state: absent
+  regexp: '^relayhost = bastion.phx2.fedoraproject.org'
+
 - git:
     repo: https://git.linux-kernel.at/oliver/ivatar.git
     dest: /srv/libravatar