avoid RELEASE_VERSION ovveride during ovn patching

network operator is stuck in CrashLoppBackOff state when we are
overriding RELEASE_VERSION during ovn patching. The purpose of
this ansible task is to only override OVN_MAGE, we will avoid
changing RELEASE_VERSION in this task

Fixes cloud-bulldozer#218

OCP-4.X/roles/post-install/tasks/main.yml

@@ -203,7 +203,7 @@
   - name: Patch new OVNKubernetes Image
     block:
     - name: Patch new OVNKubernetes Image
-      command: oc -n openshift-network-operator set env deployment.apps/network-operator OVN_IMAGE={{openshift_ovn_image}} RELEASE_VERSION="5.0.0"
+      command: oc -n openshift-network-operator set env deployment.apps/network-operator OVN_IMAGE={{openshift_ovn_image}}
 
     - name: Get ovnkube-node pod
       shell: oc get pods -n {{ ovn_namespace }} | tail -n1 | awk '{print $1}'