use m-site-p 3.4 since it has the dependency fixed and other useful fixes

git-svn-id: https://svn.apache.org/repos/asf/maven/sandbox/trunk@1613597 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dist-tools/dist-tool-plugin/pom.xml b/dist-tools/dist-tool-plugin/pom.xml
index c1d1199..219d687 100644
--- a/dist-tools/dist-tool-plugin/pom.xml
+++ b/dist-tools/dist-tool-plugin/pom.xml
@@ -136,13 +136,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
-          <dependencies>
-            <dependency>
-              <groupId>org.apache.maven.doxia</groupId>
-              <artifactId>doxia-module-markdown</artifactId>
-              <version>1.5</version>
-            </dependency>
-          </dependencies>
+          <version>3.4</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.doxia</groupId>