libmapper: Add match for removed interfaces
libmapper: Add match for removed interfaces

Add a match to look for removed interfaces.

Change-Id: If5bd68254b88c664c33f443ea593974b87996b42
Signed-off-by: Adriana Kobylak <742cf4d8dead98b4cab50b088fd2a1406293c958@us.ibm.com>

openbmc/phosphor-objmgr,openbmc/phosphor-objmgr