Revert "Expose API to update remotes' configurations" This reverts commit 68ce459ba2dd7d5625e03712635caf78957e1c1e. The plan is: - Revert master - cut stable-3.10 - Re-apply on master and expose the new API properly Reason for revert: Broke the pull-replication plugin Change-Id: I461cd1bef6d74d48763662c0c26db47bafe5d422