Revert "Replace crosvm.ext4 by cvd-host_package.tar.gz"

This reverts commit 73e18dd671cb33a4f99bab6d34c3314a438e18cd.

Reason for revert: Pre-built ext4 needed by CI (as it is not able to re-build it) so that pre-built archive becomes a duplicate

Change-Id: I35dd5785b48a18072ff80314230ff64a64ef65bc
2 files changed
tree: 09ac9974815686b81b3010081ef35f03efb0225d
  1. linux-aarch64/
  2. linux-x86/
  3. README