message: fix set remove
diff: @@ -128,7 +128,7 @@ class World : public commons::BaseType {
  bool GetRemoveAgents() { return remove_agents_; }
  - void SetRemoveAgents(const bool& remove_agents ) const { remove_agents_ = remove_agents; }
  + void SetRemoveAgents(const bool& remove_agents ) { remove_agents_ = remove_agents; }
  AgentMap GetNearestAgents(const modules::geometry::Point2d& position,
  const unsigned int& num_agents) const;
  