Cleanup after repo_build and pip_install retirement

Change-Id: Id5c011f3c23b677371432b1a2d734e7b413f5174

defaults/main.yml

@@ -484,12 +484,6 @@ nova_qemu_group: kvm
 # file for /etc/libvirt/qemu.conf
 #qemu_conf_dict: {}
 
-# 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.
-nova_role_project_group: nova_all
-
 ## Tunable overrides
 nova_nova_conf_overrides: {}
 nova_rootwrap_conf_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