Revert "Move tendril ldap to the new ldap servers."

This reverts commit 57ce100add242519dc1e94c54484f3dda774a3e5.

Change-Id: I9451c219bfc6552b1c5bf36b7568c4f5599947c1
Merge "Revert "Move tendril ldap to the new ldap servers."" into production