RHDEVDOCS-3193 Remove 5.0 "Supported log data output types" topic from 5.1 content

Author: rolfedh

logging/cluster-logging-external.adoc

@@ -29,7 +29,6 @@ You cannot use the config map methods and the Cluster Log Forwarder in the same
 // assemblies.
 
 include::modules/cluster-logging-collector-log-forwarding-about.adoc[leveloffset=+1]
-include::modules/cluster-logging-collector-log-forwarding-supported-plugins-5-0.adoc[leveloffset=+1]
 include::modules/cluster-logging-collector-log-forwarding-supported-plugins-5-1.adoc[leveloffset=+1]
 include::modules/cluster-logging-collector-log-forward-es.adoc[leveloffset=+1]
 include::modules/cluster-logging-collector-log-forward-fluentd.adoc[leveloffset=+1]