kernel-tests: update owners

Steve has left the kernel team; update the owners file accordingly

Bug: 254591590
Test: N/A
Signed-off-by: Edward Liaw <edliaw@google.com>
Change-Id: I49aed70d52458d93e0d2c983fdce01b9ca83a09f
(cherry picked from commit df2b5ee85c4131b1d04a25404f0b9bc5c6495235)
5 files changed