[FIX] unused functions

scripts/eiru-backup.sh

@@ -9,11 +9,6 @@ BKP_PATH="/mnt/backup/primary_local_bkp/pg"
 SYNC_PATH="/mnt/backup/secondary_local_bkp/pg"
 TMP_PATH="."
 
-loop_over_systems()
-{
-    docker ps -a -f "ancestor=odoo/eiru:1.4" --format "{{.Names}}"
-}
-
 # perform database backup if docker exist
 perform_backups()
 {