BluezAgent: Drop overload for typing

bool is fine for mypy now I guess...?

blueman/main/applet/BluezAgent.py

@@ -2,7 +2,7 @@
 from gettext import gettext as _
 from html import escape
 from xml.etree import ElementTree
-from typing import Dict, Optional, overload, Callable, Union, TYPE_CHECKING, Tuple, Any, List
+from typing import Dict, Optional, Callable, Union, Tuple, Any, List
 
 from blueman.bluez.Device import Device
 from blueman.bluez.AgentManager import AgentManager
@@ -18,9 +18,6 @@
 gi.require_version("Gtk", "3.0")
 from gi.repository import Gtk
 
-if TYPE_CHECKING:
-    from typing_extensions import Literal
-
 
 class BluezErrorCanceled(DbusError):
     _name = "org.bluez.Error.Canceled"
@@ -98,16 +95,6 @@ def get_device_string(self, object_path: str) -> str:
         device = Device(obj_path=object_path)
         return f"<b>{escape(device.display_name)}</b> ({device['Address']})"
 
-    @overload
-    def ask_passkey(self, dialog_msg: str, is_numeric: "Literal[True]", object_path: str, ok: Callable[[int], None],
-                    err: Callable[[Union[BluezErrorCanceled, BluezErrorRejected]], None]) -> None:
-        ...
-
-    @overload
-    def ask_passkey(self, dialog_msg: str, is_numeric: "Literal[False]", object_path: str, ok: Callable[[str], None],
-                    err: Callable[[Union[BluezErrorCanceled, BluezErrorRejected]], None]) -> None:
-        ...
-
     def ask_passkey(self, dialog_msg: str, is_numeric: bool, object_path: str, ok: Callable[[Any], None],
                     err: Callable[[Union[BluezErrorCanceled, BluezErrorRejected]], None]) -> None:
         def passkey_dialog_cb(dialog: Gtk.Dialog, response_id: int) -> None: