Remove DEFAULT_FOLDER handling (#23281)

lib/python/qmk/cli/list/keyboards.py

@@ -5,10 +5,9 @@ from milc import cli
 import qmk.keyboard
 
 
-@cli.argument('--no-resolve-defaults', arg_only=True, action='store_false', help='Ignore any "DEFAULT_FOLDER" within keyboards rules.mk')
 @cli.subcommand("List the keyboards currently defined within QMK")
 def list_keyboards(cli):
     """List the keyboards currently defined within QMK
     """
-    for keyboard_name in qmk.keyboard.list_keyboards(cli.args.no_resolve_defaults):
+    for keyboard_name in qmk.keyboard.list_keyboards():
         print(keyboard_name)