Remove gradle in documentation.


git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1747446 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/apt/index.apt.vm b/src/site/apt/index.apt.vm
index 77235ee..f25189c 100644
--- a/src/site/apt/index.apt.vm
+++ b/src/site/apt/index.apt.vm
@@ -51,9 +51,7 @@
 
    * {{{https://ant.apache.org/} Apache Ant}},
 
-   * {{{https://maven.apache.org}Apache Maven}},
-
-   * {{{https://gradle.org}Gradle}} and
+   * {{{https://maven.apache.org}Apache Maven}} and
 
    * the command line.
 
diff --git a/src/site/site.xml b/src/site/site.xml
index 6c7a4b9..0222f67 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -56,7 +56,6 @@
       <item name="From The Command Line" href="apache-rat/index.html"/>
       <item name="With Ant" href="apache-rat-tasks/index.html"/>
       <item name="With Maven" href="apache-rat-plugin/index.html"/>
-      <item name="With Gradle" href="apache-rat-gradle/index.html"/>
     </menu>
 
     <menu name="Apache Creadur&#8482;" inherit="bottom">