identity: Remove test to check if Identity Credential is implemented. am: 52a6780b93 am: ce10d3f01c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2097510

Change-Id: Iaf67936f5b6937bf373cc019a30d22f04615e26b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>