Remove old aarch64 prebuilts

Change-Id: If3f4c957f6122b8c8598aec66c9d83bae768169e
631 files changed
tree: 3d3aaa1d522d54ec6592d52ce2026613db099ea9
  1. darwin-x86/
  2. linux-x86/
  3. manifest.xml
  4. update.sh