[owners] Remove zachoverflow@google.com from OWNERS am: 8f7dd8f288 am: e9bece2bd8

Original change: https://android-review.googlesource.com/c/platform/packages/apps/SecureElement/+/3513909

Change-Id: I9fff5b43796ef8ba797a6269952336fe752cba6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>