Revert "staging-sync/koji: don't set ON_ERROR_STOP=1 postgres variable"

This reverts commit b6bcde72d6.

playbooks/manual/staging-sync/koji.yml

@@ -80,8 +80,7 @@
       mbuffer -q -s 16M -m 256M -l /tmp/mbuffer-xz-to-sed.log |
       sed '/COPY buildroot_listing /,/\./d' |
       mbuffer -q -s 16M -m 512M -l /tmp/mbuffer-sed-to-psql.log |
-      psql koji
-#      psql -v ON_ERROR_STOP=1 koji
+      psql -v ON_ERROR_STOP=1 koji
   - name: repoint all the prod rpm entries at the secondary volume (and other stuff)
     shell: psql -1 -v ON_ERROR_STOP=1 koji </var/lib/pgsql/koji-reset-staging.sql
   - name: vacuum database