Remove stale `vndk/Android.mk`

Since `BOARD_VNDK_VERSION` has been enabled for this target,
`vndk/Android.mk` become dead code now.

Bug: 78605339
Test: This target builds
Change-Id: I9581893e8181303786285a868cf60548fa1f3113
Merged-In: I72215abf2765e84f42fd5880ae5f56e99d9e0e75
2 files changed
tree: ccead01bd88112e0d36a810f34665ce3eaf4e6eb
  1. CleanSpec.mk
  2. bluetooth/
  3. nfc/