lib: sudo cleanup

Removed unneeded `sudo` call from the library.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>

update-manager-common.sh

@@ -207,7 +207,7 @@ update_manager_phases()
 
 	shift $PHASE
 
-	sudo ostree admin status
+	ostree admin status
 	echo "-=< Current phase: $1 >=-"
 	set -x
 	eval $1