[automerger skipped] Revert "Add ramdisk_available to init_first_stage's deps" am: 52d17431d2 -s ours

am skip reason: Merged-In I9d5a1066103ae578fd085d0db2201b4650ca7827 with SHA-1 6353ccb666 is already in history. Merged-In was found from reverted change.

Reverted change: https://googleplex-android-review.googlesource.com/c/platform/external/modp_b64/+/15068265

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/modp_b64/+/15167741

Change-Id: I23c3b9537e4b377c35d6547b926ad788fee93bcc