Fix barbican install guide branch condition
fix condition.
@@ -2938,7 +2938,7 @@ jobs:
# Starting with Pike, the install guide is not a separate build
# anymore.
- - name: ^(?!gate-).*(barbican)-install-guide$
+ - name: ^(?!gate-).*barbican-install-guide$
branch: ^stable/(newton|ocata).*$
- name: ^(?!gate-).*-deploy-guide$
