Remove custom nodesets and use inherited one

After [1] merged the parent ci-framework jobs are using 4.18 crc cloud
nodeset, this change removes the custom nodeset and uses the one from
the parent job.

[1] openstack-k8s-operators/ci-framework#2819

Author: cescgina

.zuul.yaml

@@ -12,34 +12,9 @@
         - watcher-operator-validation
         - watcher-operator-kuttl
 
-# TODO(rlandy): Temp nodeset - Replace with standard nodeset when
-# https://github.com/openstack-k8s-operators/ci-framework/pull/2819/
-# is merged
-- nodeset:
-    name: centos-9-medium-2x-centos-9-crc-extracted-2-48-0-xxl-temp
-    nodes:
-      - name: controller
-        label: cloud-centos-9-stream-tripleo-medium
-        # Note(Chandan Kumar): Switch to xxl nodeset once RHOSZUUL-1940 resolves
-      - name: compute-0
-        label: cloud-centos-9-stream-tripleo
-      - name: compute-1
-        label: cloud-centos-9-stream-tripleo
-      - name: crc
-        label: coreos-crc-extracted-2-48-0-3xl
-    groups:
-      - name: computes
-        nodes:
-          - compute-0
-          - compute-1
-      - name: ocps
-        nodes:
-          - crc
-
 - job:
     name: watcher-operator-base
     parent: podified-multinode-edpm-deployment-crc-2comp
-    nodeset: centos-9-medium-2x-centos-9-crc-extracted-2-48-0-xxl-temp
     description: |
       A multinode EDPM Zuul job which has one ansible controller, one
       extracted crc and two computes. It will be used for testing watcher-operator.