Cleanup after repo_build and pip_install retirement

Change-Id: I1f2dd31d326692ec410c56971e087ed5376f563b

defaults/main.yml

@@ -50,11 +50,4 @@ rally_git_constraints:
 rally_pip_packages:
   - rally-openstack
 
-# The inventory group where Rally will be installed.
-# 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.
-rally_role_project_group: utility_all
-
 rally_config_overrides: {}

tasks/main.yml

@@ -26,7 +26,7 @@
     - always
 
 - import_tasks: db_setup.yml
-  when: inventory_hostname == groups[rally_role_project_group][0]
+  when: inventory_hostname == groups['utility_all'][0]
   vars:
     _oslodb_setup_host: "{{ rally_db_setup_host }}"
     _oslodb_databases:
@@ -64,6 +64,6 @@
     - rally-config
 
 - include_tasks: rally_db_setup.yml
-  when: inventory_hostname == groups[rally_role_project_group][0]
+  when: inventory_hostname == groups['utility_all'][0]
   tags:
     - rally-config

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: openstack_hosts
   src: https://opendev.org/openstack/openstack-ansible-openstack_hosts
   scm: git