navigator interface: memory listener is private impl

source/armarx/navigation/client/ice/NavigatorInterface.ice

@@ -26,7 +26,6 @@
 
 #include <ArmarXCore/interface/serialization/Eigen.ice>
 
-#include <RobotAPI/interface/armem/client/MemoryListenerInterface.ice>
 #include <RobotAPI/interface/aron.ice>
 #include <RobotAPI/interface/core/PoseBase.ice>
 
@@ -60,7 +59,7 @@ module armarx
             };
 
 
-            interface NavigatorInterface extends armem::client::MemoryListenerInterface {
+            interface NavigatorInterface {
 
                 void createConfig(aron::data::dto::Dict config, string callerId);