Revert "Keymint 3.0 & IAR Support added" am: acfffa4a88

Original change: https://android-review.googlesource.com/c/platform/hardware/nxp/keymint/+/2864405

Change-Id: Ia6c95bb50233ebd67263f813ef85ad3f09e42034
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>