python3-dateutil: drop the six dependency

Patch dateutil to use the standard library instead of the six metaclass
decorators, type aliases, raise_from and six.moves imports, and drop the
runtime dependency.

Built for intel-corei7-64.

AI-Generated: Uses Claude Code (Claude Opus 5)
Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-python/recipes-devtools/python/python3-dateutil_2.9.0.bb

@@ -4,6 +4,7 @@ HOMEPAGE = "https://dateutil.readthedocs.org"
 LICENSE = "Apache-2.0 AND BSD-3-Clause"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e3155c7bdc71f66e02678411d2abf996"
 
+SRC_URI += "file://0001-drop-the-six-dependency.patch"
 SRC_URI[sha256sum] = "78e73e19c63f5b20ffa567001531680d939dc042bf7850431877645523c66709"
 
 PYPI_PACKAGE = "python-dateutil"
@@ -19,7 +20,6 @@ DEPENDS += "python3-setuptools-scm-native"
 RDEPENDS:${PN} = "\
     python3-datetime \
     python3-numbers \
-    python3-six \
     python3-stringold \
 "