meta-python: remove obsolete dependencies on python3-six

These recipes no longer use six, so remove the dependency.

The list of recipes that still use six is a somewhat useful proxy for
packages that are no longer maintained...

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-python/recipes-connectivity/python-thrift/python3-thrift_0.24.0.bb

@@ -14,7 +14,6 @@ PYPI_ARCHIVE_NAME_PREFIX = "python-"
 RDEPENDS:${PN} += "\
     python3-logging \
     python3-scons \
-    python3-six \
     python3-stringold \
     python3-threading \
 "