removed unneeded stuff

roles/nameserver/tasks/install_bind.yml

@@ -11,12 +11,4 @@
     validate: "{{ named_checkconf }} {{ named_conf_options }}"
   loop:
     - { regexp: '^\s*listen-on {(?:[\s\n]*(?:\d{1,3}\.){3}\d{1,3};)*[\s\n]*};', option: "\tlisten-on { {{ ansible_default_ipv4.address }}; };"}
-    - { regexp: '^\s*listen-on-v6 {(?:[\s\n]*(?:[\da-f:]*;)*[\s\n]*};', option: "\tlisten-on-v6 { {{ ansible_default_ipv6.address }}; };"}
-  
-
-  lineinfile:
-    path: "{{ named_conf_options }}"
-    regexp: "{{ item.regexp }}"
-    state: present
-    line: "{{ item.option }}"
-    insertafter: "options {"
+    - { regexp: '^\s*listen-on-v6 {(?:[\s\n]*(?:[\da-f:]*;)*[\s\n]*};', option: "\tlisten-on-v6 { {{ ansible_default_ipv6.address }}; };"}