This version is using inefficient Externalizable proxy and has been
supersed by CHLORINE_SR2. Deprecate it for removal and old proxies
as deprecated as well.
JIRA: CONTROLLER-2061
Change-Id: I0959f88d759d2aad33e16e13e9fefe34cd51a740 Signed-off-by: Robert Varga <robert.varga@pantheon.tech>