fixing sudo

playbooks/edx-east/create_cname.yml

 # Creates a cname for a sandbox ec2 instance
 - name: Creates a CNAME
   hosts: all
-  sudo: True
   gather_facts: False
   tasks:
     - name: Add DNS name
-      local_action:
-        module: route53
+      route53:
         overwrite: yes
         command: create
         zone: "{{ dns_zone }}"