python3-pywbem: drop the six dependency

pywbem has not used six since the 1.x series; both the native build
dependency and the runtime dependency are stale.

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-extended/pywbem/python3-pywbem_1.9.0.bb

@@ -23,7 +23,6 @@ inherit pypi python_setuptools_build_meta update-alternatives
 DEPENDS += " \
     python3-ply-native \
     python3-pyyaml-native \
-    python3-six-native \
     python3-wheel-native \
     python3-setuptools-scm-native \
 "
@@ -38,7 +37,6 @@ RDEPENDS:${PN} += "\
     python3-ply \
     python3-pyyaml \
     python3-requests \
-    python3-six \
     python3-stringold \
     python3-threading \
     python3-unixadmin \