Cleanup after repo_build and pip_install retirement

Change-Id: Id71feb3c492343708cb21d3f25987af705cb388c

ansible-role-requirements.yml

@@ -1,6 +0,0 @@
-- name: plugins
-  src: https://opendev.org/openstack/openstack-ansible-plugins
-  path: /etc/ansible
-  scm: git
-  version: master
-

defaults/main.yml

@@ -163,12 +163,6 @@ gnocchi_pip_packages:
 # Memcached override
 gnocchi_memcached_servers: "{{ memcached_servers }}"
 
-# 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.
-gnocchi_role_project_group: gnocchi_all
-
 #: Tunable file-based overrides
 # The contents of these files, if they exist, are read from the
 # specified path on the deployment host, interpreted by the

tests/ansible-role-requirements.yml

@@ -2,10 +2,6 @@
   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: openstack_hosts
   src: https://opendev.org/openstack/openstack-ansible-openstack_hosts
   scm: git