HHH-12813 Disable Asciidoclet in Javadoc generation

We don't have the certainty that we don't use Asciidoctor Javadoc but
using Asciidoclet leads to malformed Javadoc if we are using HTML
Javadoc, which concerns the high majority of our files.

gradle/published-java-module.gradle

@@ -87,9 +87,6 @@ javadoc {
 	final int currentYear = new GregorianCalendar().get( Calendar.YEAR )
 
 	configure( options ) {
-		docletpath = configurations.asciidoclet.files.asType(List)
-		doclet = 'org.asciidoctor.Asciidoclet'
-
 		windowTitle = "$project.name JavaDocs"
 		docTitle = "$project.name JavaDocs ($project.version)"
 		bottom = "Copyright &copy; 2001-$currentYear <a href=\"http://redhat.com\">Red Hat, Inc.</a>  All Rights Reserved."