rousette now requires root

Fixes: https://gerrit.cesnet.cz/c/CzechLight/rousette/+/6353
Change-Id: I5ff32e0785cf229cf19db845f61dff3c4c318857
diff --git a/package/rousette/rousette.service b/package/rousette/rousette.service
index b149d6c..b643175 100644
--- a/package/rousette/rousette.service
+++ b/package/rousette/rousette.service
@@ -7,8 +7,6 @@
 [Service]
 Type=simple
 ExecStart=/usr/bin/rousette
-User=yangnobody
-Group=yangnobody
 SupplementaryGroups=sysrepo optics
 PrivateTmp=yes
 PrivateDevices=yes