Skip systemVM template registration for Simulator (apache#5954)

* Skip systemVM template registration for Simulator

* simplify

Author: Pearl1594

server/src/main/java/com/cloud/storage/StorageManagerImpl.java

@@ -2808,6 +2808,9 @@ public void doInTransactionWithoutResult(final TransactionStatus status) {
                             Pair<String, Long> storeUrlAndId = new Pair<>(url, store.getId());
                             for (HypervisorType hypervisorType : hypSet) {
                                 try {
+                                    if (HypervisorType.Simulator == hypervisorType) {
+                                        continue;
+                                    }
                                     String templateName = getValidTemplateName(zoneId, hypervisorType);
                                     Pair<Hypervisor.HypervisorType, String> hypervisorAndTemplateName =
                                             new Pair<>(hypervisorType, templateName);