Events: fix duplicate addition of OSD details.
Events: fix duplicate addition of OSD details.

This patch removes updation of OSD as part of
event handling, as this was causing duplicate entries
in DB.

Change-Id: Iff96aac4e80b74925c7692390a6e5eeb2ffebcb0
Signed-off-by: Darshan N <d2c6d450ab98b078f2f1942c995e6d92dd504bc8@gmail.com>

skyrings/bigfin,skyrings/bigfin,skyrings/bigfin