Fix ansible docker support task

Removes become: and become_user: when including another role (that
already defines become: true and become_user: root)

Fixes an error occurring in the gates:
ERROR! 'become_user' is not a valid attribute for a IncludeRole

Change-Id: I362eefbe5b09ad64e97b3b541d07db2e6b990613

roles/deploy-docker/tasks/deploy-ansible-docker-support.yaml

@@ -24,8 +24,6 @@
   when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'
   block:
     - name: remove requests and urllib3 distro packages to fix docker removal issue with ansible's docker_container on centos
-      become: true
-      become_user: root
       include_role:
         name: deploy-package
         tasks_from: dist
@@ -36,8 +34,6 @@
             - python-urllib3
             - python-requests
     - name: restore requests and urllib3 distro packages to fix docker removal issue with ansible's docker_container on centos
-      become: true
-      become_user: root
       include_role:
         name: deploy-package
         tasks_from: dist