Revert "bundling the newer JNA"

This reverts commit e2168722.

changelog.html

@@ -55,6 +55,7 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
+  <li class=>
   <li class=bug>
     Fixed the HTTP request thread saturation problem with Winstone.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-16474">issue 16474</a>)
@@ -67,8 +68,6 @@ Upcoming changes</a>
   <li class=rfe>
     JNLP slave installers can now work transparently with secured Jenkins.
     (SECURITY-54 / despite the ticket marker, this is not a security vulnerability)
-  <li class=rfe>
-    Bundlin JNA 3.5.1 now (up from 3.3.0 + JNA-184)
 </ul>
 </div><!--=TRUNK-END=-->
 

core/pom.xml

@@ -511,7 +511,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>net.java.dev.jna</groupId>
       <artifactId>jna</artifactId>
-      <version>3.5.1</version>
+      <version>3.3.0-jenkins-3</version>
     </dependency>
     <dependency>
       <groupId>org.kohsuke</groupId>