Cleanup deprecated tools am: 97418f6a8b am: 3aee051e81 am: b85fc895cb am: a98e7b643b

Original change: https://android-review.googlesource.com/c/platform/system/tools/mkbootimg/+/2181574

Change-Id: Ib3f7540de2cc3fa8a5bd341783349c0e41c1f6ff
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>