We remove this file in the python_pep517 class now, so we don't need to
do it here.
(From OE-Core rev: 717b9e08d6a19ee31a217ceeb255aaed6a395de4)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>