Remove null delimiter from JTL

Author: vy

docs/index.asciidoc

@@ -46,8 +46,7 @@ First, we need to configure your application to write JSON-formatted logs to a T
   <Appenders>
     <Socket name="SOCKET" host="localhost" port="12345"> <!--1-->
       <JsonTemplateLayout <!--2-->
-          eventTemplateUri="classpath:EcsLayout.json" <!--3-->
-          nullEventDelimiterEnabled="true"/> <!--4-->
+          eventTemplateUri="classpath:EcsLayout.json"/> <!--3-->
     </Socket>
   </Appenders>
   <Loggers>
@@ -60,7 +59,6 @@ First, we need to configure your application to write JSON-formatted logs to a T
 <1> Using Socket Appender to write logs to a TCP socket – make sure to *change the `host` and `port` attributes* to match your setup
 <2> Using https://logging.apache.org/log4j/2.x/manual/json-template-layout.html[JSON Template Layout] to encode log events in JSON
 <3> Using the ECS (Elastic Common Schema) layout bundled with JSON Template Layout
-<4> Configuring that written log events should be terminated with a null (i.e., `\0`) character
 
 To accept this in Logstash, you will want a TCP input: