Remove non-existant 'functional' test

There is no 'functional' tox env, so the 'functional'
test run by zuul re-runs lint again. Rather than waste
resources we remove the common template and just add
the linters job.

Change-Id: Ibb5152b4d7f731aebbeab46ac4ccd38658cd30a1

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 minversion = 2.0
 skipsdist = True
-envlist = docs,linters,functional
+envlist = docs,linters
 
 
 [testenv]

zuul.d/project.yaml

@@ -14,12 +14,12 @@
 
 - project:
     templates:
-      - openstack-ansible-role-jobs
       - check-requirements
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check:
       jobs:
+        - openstack-ansible-linters
         - openstack-ansible-ops:elk_metrics_6x-centos-7
         - openstack-ansible-ops:elk_metrics_6x-centos-7-clustered
         - openstack-ansible-ops:elk_metrics_6x-opensuse-423
@@ -35,5 +35,6 @@
         - openstack-ansible-ops:osquery-ubuntu-bionic-clustered
     gate:
       jobs:
+        - openstack-ansible-linters
         - openstack-ansible-ops:elk_metrics_6x-ubuntu-bionic
         - openstack-ansible-ops:osquery-ubuntu-bionic