basetabs: Remove remote_wants_chatstates stubs.

poezio/tabs/basetabs.py

@@ -507,10 +507,6 @@ class ChatTab(Tab):
             for message in logs:
                 self._text_buffer.add_message(**message)
 
-    @property
-    def remote_wants_chatstates(self) -> bool:
-        return True
-
     @property
     def general_jid(self) -> JID:
         return NotImplementedError
@@ -816,14 +812,6 @@ class OneToOneTab(ChatTab):
             msg += 'show: %s, ' % SHOW_NAME[status.show]
         self.add_message(msg[:-2], typ=2)
 
-    @property
-    def remote_wants_chatstates(self):
-        return True
-
-    @remote_wants_chatstates.setter
-    def remote_wants_chatstates(self, value):
-        pass
-
     def ack_message(self, msg_id, msg_jid):
         """
         Ack a message