Update crazyflie-lib-python; Bridge: remove sleep

crazyflie-lib-python @ bd16bf2b

-Subproject commit bf458be7171dd31d47cedd8efe3b01c36682e198
+Subproject commit bd16bf2bcb794bd56cdef9d1d54b4dd316b1427a

salt/drone/scripts/bridge.py

@@ -21,7 +21,6 @@ class ForwardBridge(threading.Thread):
             pk = self._client_connection.receive_packet(-1)
             if pk and not self._stop_running:
                 self._crazyflie_connection.send_packet(pk)
-            time.sleep(0.001)
 
     def stop(self):
         self._stop_running = True
@@ -39,8 +38,6 @@ class BackwardBridge(threading.Thread):
             pk = self._crazyflie_connection.receive_packet(-1)
             if pk and not self._stop_running:
                 self._client_connection.send_packet(pk)
-            time.sleep(0.001)
-
 
     def stop(self):
         self._stop_running = True