hwcrypto: Removing batch key definition am: 4cbd659ed8

Original change: https://android-review.googlesource.com/c/trusty/app/sample/+/3388984

Change-Id: I8e44e58b20d50f90ace681f98a9e44218a0a1817
Signed-off-by: Automerger Merge Worker <[email protected]>