python-jenkins project updates

Enables review notifications inside #openstack-jjb channel.

Enables pypy gate as this was already present in tox.ini
and is reasonable to supported it.

Change-Id: I1b5204b54a23adf8636b44e7baf07962b5b72f8c

gerritbot/channels.yaml

@@ -874,7 +874,6 @@ openstack-infra:
     - openstack/os-performance-tools
     - openstack/os-testr
     - openstack/ptgbot
-    - openstack/python-jenkins
   branches:
     - master
     - debian/sid #zuul-packaging repo
@@ -967,6 +966,7 @@ openstack-jjb:
     - x-vrif-minus-2
   projects:
     - openstack-infra/jenkins-job-builder
+    - openstack/python-jenkins
   branches:
     - master
     - stable/1.6

zuul.d/projects.yaml

@@ -13392,6 +13392,7 @@
       - system-required
       - openstack-python-jobs
       - openstack-python35-jobs
+      - openstack-pypy-jobs
       - docs-on-readthedocs
       - publish-to-pypi
     check: