CLI: drop obsolete alias "serve" for "rpc-serve"
it has been around for months and is no longer advertized in --help string since then
Migrated from D2013 (view on Phabricator)
Staging instance, all changes can be removed at any time
it has been around for months and is no longer advertized in --help string since then
Migrated from D2013 (view on Phabricator)