Revert "maintainers: fix Ruud's email"

The email for Ruud in the maintainers file actually matches his gerrit
ID.

This reverts commit 2a4e2173fdc8213c2353a4b79c8280ce113317b4.

Change-Id: I6739c9c383f485460d8ad72563c25e847ee04c57
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
1 file changed