This package can be built using pep517 classes now.
yamlint appears to have never used setuptools-scm, so remove the
dependency.
(From OE-Core rev: c3b51900326dbadb83b3853419f5c92bac12ba50)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>