Remove loadbalance references from agent docs (#957)

Author: kilfoyle

docs/en/ingest-management/elastic-agent/configuration/outputs/output-shared-settings.asciidoc

@@ -84,8 +84,7 @@ escaping.
 [id="{type}-worker-setting"]
 `worker`
 
-| (int) The number of workers per configured host publishing events. 
-This is best used with load balancing mode enabled. Example: If
+| (int) The number of workers per configured host publishing events. Example: If
 you have two hosts and three workers, in total six workers are started (three
 for each host).