fix interval

Author: abh1sar

server/src/main/java/com/cloud/network/vpn/Site2SiteVpnManagerImpl.java

@@ -1160,8 +1160,8 @@ public boolean start() {
             _vpnCheckExecutor,
             new CheckVpnCustomerGatewayObsoleteParametersTask(),
             VpnCustomerGatewayObsoleteCheckInterval,
-            60,
-            TimeUnit.MINUTES);
+            3600,
+            TimeUnit.HOURS);
         runner.start();
         return true;
     }