Remove python-six from checkdepends

https://gitlab.gnome.org/GNOME/gtk-doc/-/commit/58de11f918e7ce60e28ee891312f16f05aeedba6

Remove python-six from checkdepends
ae436f92 · loqs · 08fe4088 · ae436f92
Verified Commit ae436f92 authored 1 year ago by loqs
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -28,7 +28,6 @@ checkdepends=(
  bc
  gtk3
  python-parameterized
-  python-six
 )
 optdepends=('dblatex: PDF support')
 _commit=b7c8317bf023b5116250b4c5381737d5b9786976  # tags/1.34.0^0