Try to publish a webpage

-Fix errors in release branch:
* remove gradle reference.


git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1758283 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/apt/index.apt.vm b/src/site/apt/index.apt.vm
index f25189c..ec4fd5d 100644
--- a/src/site/apt/index.apt.vm
+++ b/src/site/apt/index.apt.vm
@@ -112,18 +112,6 @@
 
  Read more {{{./apache-rat-plugin/index.html} here}}.
 
-** Gradle (not yet officially supported)
-
- Use the plugin for {{{https://gradle.org}Gradle}}.
-
-+------------------------------------------+
-plugins {
-  id "org.apache.rat" version "${version}"
-}
-+------------------------------------------+
-
- Read more {{{./apache-rat-gradle/index.html} here}}.
-
 * Checking Out Rat
 
   Quick start