Cleanup after repo_build and pip_install retirement

Change-Id: I4c14639b08f2be75a917f60e54839f185ee2aa11

defaults/main.yml

@@ -209,12 +209,6 @@ trove_memcached_servers: "{{ memcached_servers }}"
 trove_optional_oslomsg_amqp1_pip_packages:
   - oslo.messaging[amqp1]
 
-# This variable is used by the repo_build process to determine
-# which host group to check for members of before building the
-# pip packages required by this role. The value is picked up
-# by the py_pkgs lookup.
-trove_role_project_group: trove_all
-
 ## Tunable overrides
 trove_config_overrides: {}
 trove_api_paste_ini_overrides: {}

tests/ansible-role-requirements.yml

@@ -3,10 +3,6 @@
   src: https://opendev.org/openstack/openstack-ansible-apt_package_pinning
   scm: git
   version: master
-- name: pip_install
-  src: https://opendev.org/openstack/openstack-ansible-pip_install
-  scm: git
-  version: master
 - name: memcached_server
   src: https://opendev.org/openstack/openstack-ansible-memcached_server
   scm: git