remove job settings for freezer repositories

This is a mechanically generated patch to remove the job settings that
have been migrated to the git repositories owned by the freezer team.

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

Change-Id: Ib137d7d7d71b000af20785f8f9090016437d3980
Story: #2002586
Task: #24296

zuul.d/projects.yaml

@@ -3615,84 +3615,26 @@
 - project:
     name: openstack/freezer
     templates:
-      - openstack-python-jobs
-      - openstack-python35-jobs
-      - publish-openstack-sphinx-docs
-      - check-requirements
-      - release-notes-jobs
       - publish-to-pypi-python3
-    check:
-      jobs:
-        - openstack-tox-pylint
     gate:
       queue: freezer
-      jobs:
-        - openstack-tox-pylint
 
 - project:
     name: openstack/freezer-api
     templates:
-      - openstack-python-jobs
-      - openstack-python35-jobs
-      - check-requirements
-      - release-notes-jobs
       - api-ref-jobs
       - publish-to-pypi-python3
-    check:
-      jobs:
-        - openstack-tox-pylint
-    gate:
-      jobs:
-        - openstack-tox-pylint
 
 - project:
     name: openstack/freezer-dr
     templates:
-      - openstack-python-jobs
-      - openstack-python35-jobs
-      - check-requirements
-      - publish-openstack-sphinx-docs
       - publish-to-pypi-python3
-    check:
-      jobs:
-        - openstack-tox-pylint
-    gate:
-      jobs:
-        - openstack-tox-pylint
-
-- project:
-    name: openstack/freezer-specs
-    templates:
-      - openstack-specs-jobs
-    check:
-      jobs:
-        - openstack-tox-py27
-    gate:
-      jobs:
-        - openstack-tox-py27
-
-- project:
-    name: openstack/freezer-tempest-plugin
-    templates:
-      - check-requirements
-      - tempest-plugin-jobs
-    gate:
-      queue: freezer
 
 - project:
     name: openstack/freezer-web-ui
     templates:
-      - openstack-python-jobs
-      - openstack-python35-jobs
-      - check-requirements
       - translation-jobs-master-stable
       - publish-to-pypi-python3
-    check:
-      jobs:
-        - openstack-tox-pylint
-    gate:
-      jobs:
-        - openstack-tox-pylint
 
 - project:
     name: openstack/fuel-agent
@@ -9033,18 +8975,7 @@
 - project:
     name: openstack/python-freezerclient
     templates:
-      - openstack-python-jobs
-      - openstack-python35-jobs
-      - check-requirements
-      - publish-openstack-sphinx-docs
-      - release-notes-jobs
       - publish-to-pypi-python3
-    check:
-      jobs:
-        - openstack-tox-pylint
-    gate:
-      jobs:
-        - openstack-tox-pylint
 
 - project:
     name: openstack/python-fuelclient