remove debug output

src/safety_zone_spawner.cpp

@@ -41,13 +41,6 @@ int main(int argc, char **argv) {
   // TODO this should actually wait until gazebo has started
   ros::Duration(2.0).sleep();
 
-
-  std::vector<std::string> keys;
-  node_handle.getParamNames(keys);
-  for (auto key : keys) {
-    ROS_ERROR_STREAM(key);
-  }
-
   // get size
   double size = 0.5;
   if (!node_handle.getParam("zone_size", size)) {