import zuul job settings from project-config

This is a mechanically generated patch to complete step 1 of moving
the zuul job settings out of project-config and into each project
repository.

Because there will be a separate patch on each branch, the branch
specifiers for branch-specific jobs have been removed.

Because this patch is generated by a script, there may be some
cosmetic changes to the layout of the YAML file(s) as the contents are
normalized.

See the python3-first goal document for details:
https://governance.openstack.org/tc/goals/stein/python3-first.html

Change-Id: I81a674a327d9089fdce97610ebbc459b9d5396f1
Story: #2002586
Task: #24334

.zuul.yaml

@@ -1,4 +1,7 @@
 - project:
+    templates:
+      - check-requirements
+      - tempest-plugin-jobs
     check:
       jobs:
         - senlin-dsvm-tempest-py27-api
@@ -15,6 +18,7 @@
             voting: false
             branches: ^(?!stable/newton).*$
     gate:
+      queue: senlin
       jobs:
         - senlin-dsvm-tempest-py27-api
         - senlin-dsvm-tempest-py27-functional