parted: upgrade 3.3 -> 3.4

0001-Move-python-helper-scripts-used-only-in-tests-to-Pyt.patch
0001-libparted-fs-add-sourcedir-lib-to-include-paths.patch
0002-tests-use-skip_-rather-than-skip_test_-which-is-unde.patch
removed since they are included in 3.4

Add python3-core to RDEPENDS_parted-ptest
since /usr/lib/parted/ptest/tests/msdos-overlap contained in package parted-ptest requires /usr/bin/python3

Signed-off-by: Wang Mingyu <wangmy@cn.fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>