Remove (legacy-)fedora-27 nodesets / jobs

We've migrated all projects to fedora-latest, so we can delete these
now.

Change-Id: Ib8591847eee1d3d871159302f19bfe2593e68c1f
Depends-On: https://review.openstack.org/588375
Depends-On: https://review.openstack.org/588368
Depends-On: https://review.openstack.org/588374
Depends-On: https://review.openstack.org/588386
Depends-On: https://review.openstack.org/590450
Depends-On: https://review.openstack.org/590420
Depends-On: https://review.openstack.org/590577
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

zuul.d/jobs.yaml

@@ -38,11 +38,6 @@
     parent: openstack-infra-base-integration
     nodeset: debian-stable
 
-- job:
-    name: openstack-infra-base-integration-fedora-27
-    parent: openstack-infra-base-integration
-    nodeset: fedora-27
-
 - job:
     name: openstack-infra-base-integration-fedora-latest
     parent: openstack-infra-base-integration
@@ -140,23 +135,6 @@
           nodes:
             - secondary
 
-- job:
-    name: openstack-infra-multinode-integration-fedora-27
-    parent: openstack-infra-multinode-integration
-    nodeset:
-      nodes:
-        - name: primary
-          label: fedora-27
-        - name: secondary
-          label: fedora-27
-      groups:
-        - name: switch
-          nodes:
-            - primary
-        - name: peers
-          nodes:
-            - secondary
-
 - job:
     name: openstack-infra-multinode-integration-fedora-latest
     parent: openstack-infra-multinode-integration

zuul.d/nodesets.yaml

@@ -11,12 +11,6 @@
       - name: debian-stretch
         label: debian-stretch
 
-- nodeset:
-    name: fedora-27
-    nodes:
-      - name: fedora-27
-        label: fedora-27
-
 - nodeset:
     name: fedora-latest
     nodes:
@@ -149,12 +143,6 @@
       - name: primary
         label: centos-7
 
-- nodeset:
-    name: legacy-fedora-27
-    nodes:
-      - name: primary
-        label: fedora-27
-
 - nodeset:
     name: legacy-opensuse-423
     nodes:

zuul.d/project.yaml

@@ -4,8 +4,6 @@
       jobs:
         - openstack-infra-base-integration-centos-7
         - openstack-infra-base-integration-debian-stable
-        - openstack-infra-base-integration-fedora-27:
-            voting: false
         - openstack-infra-base-integration-fedora-latest:
             voting: false
         - openstack-infra-base-integration-ubuntu-bionic
@@ -16,8 +14,6 @@
             voting: false
         - openstack-infra-multinode-integration-centos-7
         - openstack-infra-multinode-integration-debian-stable
-        - openstack-infra-multinode-integration-fedora-27:
-            voting: false
         - openstack-infra-multinode-integration-fedora-latest:
             voting: false
         - openstack-infra-multinode-integration-ubuntu-bionic