enable_groot_monitoring_ false (#5246)

Signed-off-by: Guillaume Doisy <guillaume@dexory.com>
Co-authored-by: Guillaume Doisy <guillaume@dexory.com>

Author: doisyg

nav2_behavior_tree/include/nav2_behavior_tree/bt_action_server.hpp

@@ -285,7 +285,7 @@ class BtActionServer
   bool always_reload_bt_xml_ = false;
 
   // Parameters for Groot2 monitoring
-  bool enable_groot_monitoring_ = true;
+  bool enable_groot_monitoring_ = false;
   int groot_server_port_ = 1667;
 
   // User-provided callbacks