use site plugin inherited from apache pom

git-svn-id: https://svn.apache.org/repos/asf/geronimo/yoko/trunk@1463571 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 56af661..41ba107 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,6 @@
         <junit.version>4.5</junit.version>
         <compile.flags>-Xlint:unchecked,deprecation,fallthrough,finally</compile.flags>
         <java.endorsed.dirs>${basedir}/target/classes</java.endorsed.dirs>
-        <site.version>2.0-beta-4</site.version>
         <compile.forked>false</compile.forked>
         <!--<no.checkstyle>false</no.checkstyle>-->
         <!--<no.pmd>false</no.pmd>-->
@@ -234,11 +233,6 @@
                     <!--</configuration>-->
                 <!--</plugin>-->
                 <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-site-plugin</artifactId>
-                    <version>${site.version}</version>
-                </plugin>
-                <plugin>
                     <groupId>org.apache.felix</groupId>
                     <artifactId>maven-bundle-plugin</artifactId>
                     <version>2.0.1</version>