Remove fuel puppet 3 jobs

Fuel repos have no activity since 2017 and puppet 3 is long EOL, remove
the jobs. Add noop-jobs template for those repos without jobs.

Change-Id: I72a18f78d86bec011af5fd51a95286521a02938f

zuul.d/projects.yaml

@@ -2167,12 +2167,8 @@
 
 - project:
     name: openstack/fuel-astute
-    check:
-      jobs:
-        - legacy-fuel-astute-puppet-unit-3.8-centos-7
-    gate:
-      jobs:
-        - legacy-fuel-astute-puppet-unit-3.8-centos-7
+    templates:
+      - noop-jobs
 
 - project:
     name: openstack/fuel-dev-tools
@@ -2212,7 +2208,6 @@
     check:
       jobs:
         - legacy-fuel-library-puppet-lint
-        - legacy-fuel-library-puppet-unit-3.8-centos-7
         - legacy-fuel-library-puppet-unit-4.5-centos-7:
             branches: ^(?!stable/8\.0).*$
         - legacy-puppet-syntax-4-centos-7:
@@ -2220,7 +2215,6 @@
     gate:
       jobs:
         - legacy-fuel-library-puppet-lint
-        - legacy-fuel-library-puppet-unit-3.8-centos-7
         - legacy-fuel-library-puppet-unit-4.5-centos-7:
             branches: ^(?!stable/8\.0).*$
         - legacy-puppet-syntax-4-centos-7:
@@ -2289,12 +2283,8 @@
 
 - project:
     name: openstack/fuel-nailgun-agent
-    check:
-      jobs:
-        - legacy-fuel-nailgun-agent-puppet-unit-3.8-centos-7
-    gate:
-      jobs:
-        - legacy-fuel-nailgun-agent-puppet-unit-3.8-centos-7
+    templates:
+      - noop-jobs
 
 - project:
     name: openstack/fuel-nailgun-extension-cluster-upgrade