fix userdata

cloud/collections/ansible_collections/demo/cloud/roles/aws/defaults/main.yml

@@ -14,7 +14,7 @@ aws_image_filter: "{{ omit }}"
 aws_image_size: "{{ omit }}"
 aws_image_architecture: "{{ omit }}"
 aws_image_owners: "{{ omit }} "
-aws_userdata_template: "{{ omit }}"
+aws_userdata_template: default
 aws_keypair_name: "{{ aws_vpc_name }}-{{ aws_vpc_prefix }}-demo-key"
 aws_securitygroup_name: "{{ aws_vpc_name }}-{{ aws_vpc_prefix }}-sec-group"
 aws_env_tag: prod