Revert "Migrates alarms to MongoDB"

This reverts commit 0085a4a8870a73a9186b0a2305ba00bae44a6ea0.

Change-Id: Ifd94058969c1480863a67529a9d5ed70e5e062c3
Signed-off-by: Gianpietro Lavado <glavado@whitestack.com>
22 files changed