Remove VNDK definition(s) am: fe7e3bbb7b am: 5a8256c5a8

Original change: https://android-review.googlesource.com/c/platform/system/tools/mkbootimg/+/2995785

Change-Id: Icccf963e1b46c60395a98ed94d2744d78df8e011
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>