Fixed override of module default values

src/xml/bt_test.xml

@@ -35,7 +35,7 @@
         </Action>
         <Action ID="async_tiago_play_motion_execute_motion">
             <input_port name="motion_name"> desired motion to be executed</input_port>
-            <input_port default="True" name="new_goal"> If it's a new_goal</input_port>
+            <input_port name="new_goal"> If it's a new_goal</input_port>
         </Action>
         <Condition ID="is_tiago_play_motion_finished"/>
         <Condition ID="is_tiago_play_motion_module_running"/>