In this change, plugin options are moved from component settings to
only server settings. This should make the configuration easier. And
it will be less error-prone as it's impossible now for users to
inconsisitent plugin settings for instances referring to the same remote
server
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
It's an option that is supposed to be fed by ss-manager. It can be
in the form of host:port or path to unix dgram socket. Drop it now with
the assumption that it has no real user at the moment
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
