Cleanup after repo_build and pip_install retirement

Change-Id: I07f892d2be98338defc355260c572c2bb0f7f147

defaults/main.yml

@@ -479,12 +479,6 @@ horizon_translations_project_version: "master"
 # behaviour of the pull of the translations per component.
 horizon_translations_pull: "{{ _horizon_translations_pull }}"
 
-# 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.
-horizon_role_project_group: horizon_all
-
 # Set arbitrary horizon configuration options
 horizon_config_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: galera_client
   src: https://opendev.org/openstack/openstack-ansible-galera_client
   scm: git