Remove old aarch64 prebuilts am: bb30d46efc

Original change: https://android-review.googlesource.com/c/platform/prebuilts/jdk/jdk11/+/1985459

Change-Id: Id1503cedfd6950486adf1b6da85e63545dec7b9d
tree: 3d3aaa1d522d54ec6592d52ce2026613db099ea9
  1. darwin-x86/
  2. linux-x86/
  3. manifest.xml
  4. update.sh