[WFLY-20371] Fix ejb-txn-remote-call operator uninstall instructions

Author: emmartins

.github/workflows/scripts/kubernetes/qs-overrides/ejb-txn-remote-call/overridable-functions.sh

@@ -106,9 +106,7 @@ function cleanPrerequisites()
   cd /tmp/wildfly-operator || return
 
   make undeploy
-  # Undeploy already removes the CRDs
-  # make uninstall
-
+  
   cd ..
   rm -rf wildfly-operator
 

ejb-txn-remote-call/README-source.adoc

@@ -918,8 +918,7 @@ Finally, to undeploy and uninstall the {productName}'s operator:
 [source,sh,options="nowrap"]
 ----
 cd /tmp/wildfly-operator;
-make undeploy;
-make uninstall
+make undeploy
 ----
 
 The above commands completely clean the OpenShift namespace