Revert "Fixed permission on `keystone-manage.log` in keystone.upgrade.pre state"

This reverts commit 7cbe85f66283edef641ed2dbf54ab20c56845993.

Related-PROD: PROD-30473

Change-Id: I65b53fc4f8353ee6f1429f79e1c2b0fa65625471
1 file changed