codecheck: reformat with black, version 23.1.0

Drop empty newline as expected by black >=23.1.0
See https://github.com/psf/black/blob/main/CHANGES.md

Closes: #1031466

diff --git a/grml2usb b/grml2usb
index 8f689a9..5ac6e76 100755 (executable)
--- a/grml2usb
+++ b/grml2usb
@@ -1614,7 +1614,6 @@ def handle_syslinux_config(grml_flavour, target):
     new_grml_cfg = "%s/%s_grml.cfg" % (syslinux_target, flavour_filename)
 
     if os.path.isfile(defaults_file):
-
         # remove default menu entry in menu
         remove_default_entry(new_default_with_path)