Ignore OpenStack global requirements

Change-Id: Iefd1fcbb07f1b23f07c35df2db366ad10fbf24d2

roles/devstack-tobiko-common/defaults/main.yaml

@@ -12,8 +12,6 @@ devstack_projects_base:
     git_repo: 'https://opendev.org/openstack/devstack.git'
   devstack-plugin-tobiko:
     git_repo: 'https://opendev.org/x/devstack-plugin-tobiko.git'
-  requirements:
-    git_repo: 'https://opendev.org/openstack/requirements.git'
   tobiko:
     git_repo: 'https://opendev.org/x/tobiko.git'
 

zuul.d/devstack-tobiko-minimal.yaml

@@ -32,7 +32,6 @@
     required-projects:
       - openstack/devstack-gate
       - openstack/heat
-      - openstack/requirements
       - x/devstack-plugin-tobiko
       - x/tobiko
     roles:
@@ -75,9 +74,6 @@
       test_log_debug: true
       test_case_timeout: 1800
       test_workflow: faults
-      requirements_dir: >-
-        {{ ansible_user_dir }}/src/opendev.org/openstack/requirements
-      upper_constraints_file: '{{ requirements_dir }}/upper-constraints.txt'
     pre-run: playbooks/devstack/pre.yaml
     run: playbooks/devstack/run.yaml
     post-run: playbooks/devstack/post.yaml