fix: update to print_error

Author: eureka928

bittensor_cli/src/commands/stake/children_hotkeys.py

@@ -14,7 +14,6 @@
     confirm_action,
     console,
     print_error,
-    err_console,
     float_to_u16,
     float_to_u64,
     u16_to_float,
@@ -240,7 +239,7 @@ async def set_childkey_take_extrinsic(
                     console.print(":white_heavy_check_mark: [green]Finalized[/green]")
                 return True, f"Successfully {modifier} childkey take", ext_id
             else:
-                console.print(f":cross_mark: [red]Failed[/red]: {error_message}")
+                print_error(f"Failed: {error_message}")
                 return False, error_message, None
 
         except SubstrateRequestException as e: