[CI] EM - Stop periodics

This stops periodic jobs from running on Stein as it reached EM
state.
This includes image publishing on a daily basis.

Change-Id: I6abfd6e6ab1c438b215b9738b53c3384844000a0

.zuul.d/centos.yaml

@@ -24,14 +24,6 @@
       queue: kolla
       jobs:
         - kolla-build-centos-source
-    periodic:
-      jobs:
-        - kolla-publish-centos-source
-        - kolla-publish-centos-binary
-    release:
-      jobs:
-        - kolla-publish-centos-source
-        - kolla-publish-centos-binary
 
 - job:
     name: kolla-build-centos-binary

.zuul.d/oraclelinux.yaml

@@ -11,14 +11,6 @@
     gate:
       jobs:
         - kolla-build-oraclelinux-source
-    periodic:
-      jobs:
-        - kolla-publish-oraclelinux-source
-        - kolla-publish-oraclelinux-binary
-    release:
-      jobs:
-        - kolla-publish-oraclelinux-source
-        - kolla-publish-oraclelinux-binary
 
 - job:
     name: kolla-build-oraclelinux-binary

.zuul.d/project.yaml

@@ -7,4 +7,3 @@
       - check-requirements
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
-      - periodic-stable-jobs

.zuul.d/ubuntu.yaml

@@ -15,14 +15,6 @@
       queue: kolla
       jobs:
         - kolla-build-ubuntu-source
-    periodic:
-      jobs:
-        - kolla-publish-ubuntu-source
-        - kolla-publish-ubuntu-binary
-    release:
-      jobs:
-        - kolla-publish-ubuntu-source
-        - kolla-publish-ubuntu-binary
 
 - job:
     name: kolla-build-ubuntu-binary