Don't automatically set the time from Python

The Python MO is to do as little as possible beyond what the user has intentionally instructed. So don't try to set the time automatically.

meshtastic/mesh_interface.py

@@ -472,11 +472,6 @@ class MeshInterface:  # pylint: disable=R0902
             p.altitude = int(altitude)
             logging.debug(f"p.altitude:{p.altitude}")
 
-        if timeSec == 0:
-            timeSec = int(time.time())  # returns unix timestamp in seconds
-        p.time = timeSec
-        logging.debug(f"p.time:{p.time}")
-
         if wantResponse:
             onResponse = self.onResponsePosition
         else: