[DMAAP][DR] Set replica of Mariadb to 1

As decided by TSC, all local databases (not the shared one) should use a
replica of 1 per default.

Issue-ID: OOM-2779
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I664213c1a9c5551e5ad4d7ab5d8ae861244ada08
1 file changed