Remove py_from_git role

The py_from_git role is removed as it is no longer required.

Change-Id: Id1bfc1efd3187d1398a888129be26cd3ec2e6cc9

tests/ansible-role-requirements.yml

@@ -42,10 +42,6 @@
   src: https://git.openstack.org/openstack/openstack-ansible-pip_lock_down
   scm: git
   version: master
-- name: py_from_git
-  src: https://git.openstack.org/openstack/openstack-ansible-py_from_git
-  scm: git
-  version: master
 - name: rabbitmq_server
   src: https://git.openstack.org/openstack/openstack-ansible-rabbitmq_server
   scm: git

tests/test-prep.yml

@@ -56,15 +56,7 @@
           name: "trusty.tgz"
           sha256sum: "56c6a6e132ea7d10be2f3e8104f47136ccf408b30e362133f0dc4a0a9adb4d0c"
           chroot_path: trusty/rootfs-amd64
-    - role: "py_from_git"
-      git_repo: "https://github.com/lxc/python2-lxc"
-      git_dest: "/opt/lxc_python2"
-      git_install_branch: "master"
   post_tasks:
-    # THIS TASK IS ONLY BEING DONE BECAUSE THE TOX SHARED LXC LIB IS NOT USABLE ON A
-    #  HOST MACHINE THAT MAY NOT HAVE ACCESS TO THE VENV.
-    - name: Ensure the lxc lib is on the host
-      command: /usr/local/bin/pip install /opt/lxc_python2
     # Inventory is being pre-loaded using a post tasks instead of through a dynamic
     #  inventory system. While this is not a usual method for deployment it's being
     #  done for functional testing.