Merge pull request #8049 from mburke5678/BZ-1526262-followup

Removed reference to only journald

Author: mburke5678

install_config/aggregate_logging.adoc

@@ -966,7 +966,7 @@ still expects to read logs generated using the `json-file` log driver. This
 results in a lack of log ingestion. If this has happened within your logging cluster,
 xref:fluentd-upgrade-source[troubleshoot] it.
 
-Aggregated logging is only supported using the `journald` driver in Docker. See
+See
 xref:fluentd-upgrade-source[Updating Fluentd's Log Source After a Docker Log
 Driver Update] for more information.
 ====