MAINTAINERS: delete Shark machine entry
MAINTAINERS: delete Shark machine entry

This reflects the fact that the Shark machine has been deleted
as an ARM sub-architecture.

Cc: ed945d6b996ff45657c9dc7772143a932c322b66@kernel.org
Cc: Alexander Schulz <60c6d277a8bd81de7fdde19201bf9c58a3df08f4@shark-linux.de>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs