[builder-worker] Remove unused `[datastore]` from `config.toml`.
As far as I can tell, this entry is not being used, and worse, there is
no required or optional `datastore` binding meaning that the `eachAlive`
will never contain members.
@@ -10,9 +10,3 @@ host = "{{member.sys.ip}}"
port = {{member.cfg.worker_port}}
heartbeat = {{member.cfg.worker_heartbeat}}
{{~/eachAlive}}
-
-{{~#eachAlive bind.datastore.members as |member|}}
-[datastore]
-host = "{{member.sys.ip}}"
-port = {{member.cfg.port}}
-{{~/eachAlive}}
