[occm] Increase backoff for octavia loadbalancer deletion (#3072)

* fix(loadbalancer): Added SG delete to ealry return if lb does not exist

* chore(loadbalancers): Remove log for early return

* fix(loadbalancer): Increase delete timeout by tweaking steps

Author: nicolaiort

pkg/util/openstack/loadbalancer.go

@@ -50,7 +50,7 @@ const (
 	waitLoadbalancerInitDelay   = 1 * time.Second
 	waitLoadbalancerFactor      = 1.2
 	waitLoadbalancerActiveSteps = 23
-	waitLoadbalancerDeleteSteps = 12
+	waitLoadbalancerDeleteSteps = 24
 
 	activeStatus = "ACTIVE"
 	errorStatus  = "ERROR"