Remove obsolete prebuilts.

Bug: https://github.com/android/ndk/issues/1142
Change-Id: I8adf0578a0af9295f9bb3e3d491d679b510a761d
6 files changed
tree: 475510c5aef5d54623dba31135adaa3a5b5b3de4
  1. 21.1.2/
  2. 22.0.1/
  3. 23.0.3/
  4. 24.0.3/
  5. 25.0.2/
  6. current/