Remove old portable updater migration code. (#14202)

* Remove old portable updater migration code.

This is 2 years old so I don't think it's needed anymore.

* Delete new_updater.py

main.py

@@ -464,13 +464,6 @@ def start_comfyui(asyncio_loop=None):
         folder_paths.set_temp_directory(temp_dir)
     cleanup_temp()
 
-    if args.windows_standalone_build:
-        try:
-            import new_updater
-            new_updater.update_windows_updater()
-        except:
-            pass
-
     if not asyncio_loop:
         asyncio_loop = asyncio.new_event_loop()
         asyncio.set_event_loop(asyncio_loop)

new_updater.py

@@ -1,35 +0,0 @@
-import os
-import shutil
-
-base_path = os.path.dirname(os.path.realpath(__file__))
-
-
-def update_windows_updater():
-    top_path = os.path.dirname(base_path)
-    updater_path = os.path.join(base_path, ".ci/update_windows/update.py")
-    bat_path = os.path.join(base_path, ".ci/update_windows/update_comfyui.bat")
-
-    dest_updater_path = os.path.join(top_path, "update/update.py")
-    dest_bat_path = os.path.join(top_path, "update/update_comfyui.bat")
-    dest_bat_deps_path = os.path.join(top_path, "update/update_comfyui_and_python_dependencies.bat")
-
-    try:
-        with open(dest_bat_path, 'rb') as f:
-            contents = f.read()
-    except:
-        return
-
-    if not contents.startswith(b"..\\python_embeded\\python.exe .\\update.py"):
-        return
-
-    shutil.copy(updater_path, dest_updater_path)
-    try:
-        with open(dest_bat_deps_path, 'rb') as f:
-            contents = f.read()
-            contents = contents.replace(b'..\\python_embeded\\python.exe .\\update.py ..\\ComfyUI\\', b'call update_comfyui.bat nopause')
-        with open(dest_bat_deps_path, 'wb') as f:
-            f.write(contents)
-    except:
-        pass
-    shutil.copy(bat_path, dest_bat_path)
-    print("Updated the windows standalone package updater.")  # noqa: T201