Remove key_ops from BCC COSE_Key am: 2ba49e7a08 am: 58fb4c1244 am: 15ee31eee0

Original change: https://android-review.googlesource.com/c/platform/system/keymaster/+/2220181

Change-Id: Idd2f3b2bef6009ba2194ebdad8d8f64c31948e65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>