Removed several nodesets and jobs

Nodesets:
* devstack-single-node-opensuse-15
* openstack-single-node-xenial
* openstack-two-node
* openstack-two-node-xenial

Jobs:
* devstack-platform-opensuse-15

Removed the execution of:
* openstacksdk-functional-devstack

Some nodepools were removed in [1].

[1]https://review.opendev.org/c/openstack/project-config/+/955214

Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com>
Change-Id: I3edb72b630921b7ea5cfde9ec67bea82b871de5a

.zuul.yaml

@@ -1,13 +1,3 @@
-- nodeset:
-    name: openstack-single-node
-    nodes:
-      - name: controller
-        label: ubuntu-xenial
-    groups:
-      - name: tempest
-        nodes:
-          - controller
-
 - nodeset:
     name: openstack-single-node-focal
     nodes:
@@ -28,56 +18,6 @@
         nodes:
           - controller
 
-- nodeset:
-    name: openstack-single-node-xenial
-    nodes:
-      - name: controller
-        label: ubuntu-xenial
-    groups:
-      - name: tempest
-        nodes:
-          - controller
-
-- nodeset:
-    name: devstack-single-node-opensuse-15
-    nodes:
-      - name: controller
-        label: opensuse-15
-    groups:
-      - name: tempest
-        nodes:
-          - controller
-
-- nodeset:
-    name: openstack-two-node
-    nodes:
-      - name: controller
-        label: ubuntu-xenial
-      - name: compute1
-        label: ubuntu-xenial
-    groups:
-      # Node where tests are executed and test results collected
-      - name: tempest
-        nodes:
-          - controller
-      # Nodes running the compute service
-      - name: compute
-        nodes:
-          - controller
-          - compute1
-      # Nodes that are not the controller
-      - name: subnode
-        nodes:
-          - compute1
-      # Switch node for multinode networking setup
-      - name: switch
-        nodes:
-          - controller
-      # Peer nodes for multinode networking setup
-      - name: peers
-        nodes:
-          - compute1
-
 - nodeset:
     name: openstack-two-node-focal
     nodes:
@@ -138,36 +78,6 @@
         nodes:
           - compute1
 
-- nodeset:
-    name: openstack-two-node-xenial
-    nodes:
-      - name: controller
-        label: ubuntu-xenial
-      - name: compute1
-        label: ubuntu-xenial
-    groups:
-      # Node where tests are executed and test results collected
-      - name: tempest
-        nodes:
-          - controller
-      # Nodes running the compute service
-      - name: compute
-        nodes:
-          - controller
-          - compute1
-      # Nodes that are not the controller
-      - name: subnode
-        nodes:
-          - compute1
-      # Switch node for multinode networking setup
-      - name: switch
-        nodes:
-          - controller
-      # Peer nodes for multinode networking setup
-      - name: peers
-        nodes:
-          - compute1
-
 - nodeset:
     name: openstack-three-node-focal
     nodes:
@@ -544,13 +454,6 @@
 # we often have to rush things through devstack to stabilise the gate,
 # and these platforms don't have the round-the-clock support to avoid
 # becoming blockers in that situation.
-- job:
-    name: devstack-platform-opensuse-15
-    parent: tempest-full-py3
-    description: openSUSE 15.x platform test
-    nodeset: devstack-single-node-opensuse-15
-    voting: false
-
 - job:
     name: devstack-platform-bionic
     parent: tempest-full-py3
@@ -667,10 +570,6 @@
             irrelevant-files:
               - ^.*\.rst$
               - ^doc/.*$
-        - openstacksdk-functional-devstack:
-            irrelevant-files:
-              - ^.*\.rst$
-              - ^doc/.*$
         - tempest-ipv6-only:
             irrelevant-files:
               - ^.*\.rst$
@@ -705,10 +604,6 @@
         #    irrelevant-files:
         #      - ^.*\.rst$
         #      - ^doc/.*$
-        - openstacksdk-functional-devstack:
-            irrelevant-files:
-              - ^.*\.rst$
-              - ^doc/.*$
         - tempest-ipv6-only:
             irrelevant-files:
               - ^.*\.rst$