BUG 2317 : StatisticsManager does not unregister from yang notifications on close

Change-Id: I9506fda6f3068d1ed047177009542a240f7c0bb4
Signed-off-by: Moiz Raja <moraja@cisco.com>
BUG 2303 : Remove the implementation of AddRaftPeer/RemoveRaftPeer

It is both unused and incorrect

Change-Id: Ie0a9844ccf4de7dae68586954031599b55646c47
Signed-off-by: Moiz Raja <moraja@cisco.com>
Merge "BUG 2317 : StatisticsManager does not unregister from yang notifications on close"