remove discern and old ora artifacts

playbooks/edx-east/discern.yml

-- name: Deploy discern
-  hosts: all
-  sudo: True
-  gather_facts: True
-  vars:
-    serial_count: 1
-  serial: "{{ serial_count }}"
-  roles:
-    - aws
-    - role: nginx
-      nginx_sites:
-      - discern
-    - discern
-    - role: datadog
-      when: COMMON_ENABLE_DATADOG
-    - role: splunkforwarder
-      when: COMMON_ENABLE_SPLUNKFORWARDER
-    - role: newrelic
-      when: COMMON_ENABLE_NEWRELIC

playbooks/edx-east/legacy_ora.yml

-# ansible-playbook -i ec2.py --limit="tag_group_grader:&tag_environment_stage" legacy_ora.yml -e "COMMON_ENVIRONMENT=stage COMMON_DEPLOYMENT=edx secure_dir=/path/to/secure/dir"
-- name: Deploy legacy_ora
-  hosts: all
-  sudo: True
-  gather_facts: True
-  vars:
-    serial_count: 1
-  serial: "{{ serial_count }}"
-  vars_files:
-  - "{{secure_dir}}/vars/{{COMMON_ENVIRONMENT}}/legacy-ora.yml"
-  roles:
-    - legacy_ora
-    - splunkforwarder
-    - newrelic

playbooks/edx-east/ora.yml

-- name: Deploy ora
-  hosts: all
-  sudo: True
-  gather_facts: True
-  vars:
-    serial_count: 1
-  serial: "{{ serial_count }}"
-  roles:
-    - role: nginx
-      nginx_sites:
-      - ora
-    - ora