DEVELOPERS: remove Min Xu
Min Xu has said at
https://patchwork.ozlabs.org/project/buildroot/patch/20220519074438.462-1-xuminready@gmail.com/
that they are no longer interested in maintaining this package, so
drop them from the DEVELOPERS file.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit f704ec56f85b4aebb75a76fd7dbd9db800bf1b9e)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>