Fix iosxr get_prompt return value failure (#32902)

lib/ansible/plugins/action/iosxr.py

@@ -75,7 +75,7 @@ class ActionModule(_ActionModule):
         while to_text(out, errors='surrogate_then_replace').strip().endswith(')#'):
             display.vvvv('wrong context, sending exit to device', self._play_context.remote_addr)
             conn.send_command('abort')
-            rc, out, err = conn.get_prompt()
+            out = conn.get_prompt()
 
         result = super(ActionModule, self).run(tmp, task_vars)