refactor(custom_robot): Remove unused method calls in destructor and stopTraj

- Deleted the Close method call for the recharge object in the CustomRobot destructor to simplify resource management.
- Removed the Stop method call for the traj_th_ thread in stopTraj, streamlining the stopping process of trajectory control.

src/custom_robot.cpp

@@ -143,7 +143,6 @@ CustomRobot::~CustomRobot() {
     }
     
     if (recharge_) {
-        recharge_->Close();
         recharge_.reset();
     }
     
@@ -283,7 +282,6 @@ void CustomRobot::stopTraj()
         LOG_INFO("Stopping dynamic trajectory control...");
         traj_running_ = false;
         if (traj_th_) {
-            traj_th_->Stop();
             traj_th_.reset();
         }
     }