Revert "Workaround: Disable SSH pipelining"

This reverts commit 61460d8.

Author: markgoddard

ansible/deploy-openstack-config.yml

@@ -137,25 +137,6 @@
       vars:
         kayobe_environment_path: "{{ src_directory }}/kayobe-config/etc/kayobe/environments/{{ kayobe_config_environment }}"
 
-    # WORKAROUND:
-    # There is a race condition in Ansible that can result in this failure:
-    #   msg: |-
-    #   MODULE FAILURE
-    #   See stdout/stderr for the exact error
-    # rc: -13
-    # See https://github.com/ansible/ansible/issues/78344 and
-    # https://github.com/ansible/ansible/issues/81777.
-    # In https://github.com/stackhpc/stackhpc-kayobe-config/pull/1108 we applied
-    # a workaround to increase the ControlPersist timeout to 1 hour, but this
-    # does not always work.
-    # Disabling SSH pipelining prevents the issue at the cost of Ansible
-    # execution duration.
-    - name: Disable SSH pipelining
-      ansible.builtin.replace:
-        path: "{{ src_directory }}/{{ kayobe_config_name }}/etc/kayobe/ansible.cfg"
-        regexp: "^pipelining.*=.*"
-        replace: "pipelining = False"
-
     - name: Ensure hooks directory are present
       ansible.builtin.file:
         dest: "{{ src_directory }}/{{ kayobe_config_name }}/etc/kayobe/hooks/{{ item }}"