Fix invalid function definition

seqs/postgres.sh

@@ -128,10 +128,12 @@ step_22() {
   exe su ${toolUser} -c "psql -c '\du'"
 }
 
-step_24_info() { echo "Clean the year before last year backups of [DATABASE]"; }
+step_24_info() { 
+  local DELYEAR=$(($(date +%Y)-2))
+  echo "Clean all ${DELYEAR} backups of [DATABASE]";
+}
 step_24_alias() { ALIAS="backupclean"; }
 step_24() {
-step_6() {
   shift
   local DELYEAR=$(($(date +%Y)-2))
   local dbname=$1