License-Update: Remove smartypants from LICENSE
Changelog:
===========
#11411: Support Docutils 0.20.
#11418: Clean up remaining references to sphinx.setup_command following the removal of support for setuptools.
(From OE-Core rev: c823432d3941c85ca936a99da69be35220f01bd9)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
