Remove link to newsletter
Remove link to newsletter

Change-Id: Iecab83ea9633075140f8c30bb36edd057aacd5ed
Signed-off-by: Sandro Mathys <67bdc10fc02ccea1d56b02069c34397664c2753a@midokura.com>

midonet/midonet-docs,midonet/midonet-docs,midonet/midonet-docs,midonet/midonet-docs