proxmox-systemd: remove crate, use new proxmox-time 1.1.0 instead

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

src/server/email_notifications.rs

@@ -431,7 +431,7 @@ pub fn send_tape_backup_status(
 ) -> Result<(), Error> {
 
     let (fqdn, port) = get_server_url();
-    let duration: proxmox_systemd::time::TimeSpan = summary.duration.into();
+    let duration: proxmox_time::TimeSpan = summary.duration.into();
     let mut data = json!({
         "job": job,
         "fqdn": fqdn,