Revert "Keymint 3.0 & IAR Support added" am: acfffa4a88 am: d2aacb7651 am: 7d46da89c9

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

Change-Id: Ib26d421296f26fe1bc2896855a2fcba0d3b9d64d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>