Revert "Add ramdisk_available to init_first_stage's deps" am: 2720b1c975

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/unwinding/+/15167745

Change-Id: Ic1e411bd31b12ae6715a82c836c2ade6eb938054
tree: a7b4be1fe409a535df1b7c9755fc128a86e2eeda
  1. libbacktrace/
  2. libunwindstack/
  3. OWNERS
  4. PREUPLOAD.cfg