Remove no longer needed outdated API warning filter

This fixes a warning saying this filter isn't needed anymore.

Change-Id: If77056378befe86c1773950dbe48a82c833fd532
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/.settings/.api_filters

@@ -21,12 +21,6 @@
                 <message_argument value="createAttributesNodeProvider()"/>
             </message_arguments>
         </filter>
-        <filter id="336695337">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.lib.Repository"/>
-                <message_argument value="newAttributesNodeProvider()"/>
-            </message_arguments>
-        </filter>
     </resource>
     <resource path="src/org/eclipse/jgit/transport/PushCertificate.java" type="org.eclipse.jgit.transport.PushCertificate">
         <filter comment="PushCertificate wasn't really usable in 4.0" id="338722907">