more renaming

ml-agents/mlagents/trainers/agent_processor.py

         for terminal_step in terminal_steps.values():
             local_id = terminal_step.agent_id
             global_id = get_global_agent_id(worker_id, local_id)
-            self._gather_teammate_obs(terminal_step, global_id)
+            self._gather_group_obs(terminal_step, global_id)
         for terminal_step in terminal_steps.values():
             local_id = terminal_step.agent_id
             global_id = get_global_agent_id(worker_id, local_id)
             # Clear the last seen group obs when agents die.
-            self._clear_teammate_obs(global_id)
+            self._clear_group_obs(global_id)
 
         # Clean the last experience dictionary for terminal steps
         for terminal_step in terminal_steps.values():
         for ongoing_step in decision_steps.values():
             local_id = ongoing_step.agent_id
             global_id = get_global_agent_id(worker_id, local_id)
-            self._gather_teammate_obs(ongoing_step, global_id)
+            self._gather_group_obs(ongoing_step, global_id)
         for ongoing_step in decision_steps.values():
             local_id = ongoing_step.agent_id
             global_id = get_global_agent_id(worker_id, local_id)
                         [_gid], take_action_outputs["action"]
                     )
 
-    def _gather_teammate_obs(
+    def _gather_group_obs(
         self, step: Union[TerminalStep, DecisionStep], global_id: str
     ) -> None:
         stored_decision_step, idx = self.last_step_result.get(global_id, (None, None))
                 self.group_status[step.group_id][global_id] = group_status
                 self.current_group_obs[step.group_id][global_id] = step.obs
 
-    def _clear_teammate_obs(self, global_id: str) -> None:
+    def _clear_group_obs(self, global_id: str) -> None:
         self._delete_in_nested_dict(self.current_group_obs, global_id)
         self._delete_in_nested_dict(self.group_status, global_id)