Let us save ourselves the pain of messing with renamed system accounts
use the old names, for now at least.

--- a/cmd/stdiscosrv/etc/linux-systemd/stdiscosrv.service
+++ b/cmd/stdiscosrv/etc/linux-systemd/stdiscosrv.service
@@ -9,7 +9,7 @@
 ExecStart=/usr/bin/stdiscosrv $DISCOSRV_OPTS
 
 # Hardening
-User=syncthing-discosrv
+User=stdiscosrv
 Group=syncthing
 ProtectSystem=strict
 ReadWritePaths=/var/lib/syncthing-discosrv
--- a/cmd/strelaysrv/etc/linux-systemd/strelaysrv.service
+++ b/cmd/strelaysrv/etc/linux-systemd/strelaysrv.service
@@ -9,7 +9,7 @@
 ExecStart=/usr/bin/strelaysrv -nat=${NAT} $RELAYSRV_OPTS
 
 # Hardening
-User=syncthing-relaysrv
+User=strelaysrv
 Group=syncthing
 ProtectSystem=strict
 ReadWritePaths=/var/lib/syncthing-relaysrv