[automerger skipped] Remove conscrypt SDK prebuilts. am: 9b4ed573e2 -s ours

am skip reason: Merged-In I8a0e9b92f9e74a2d30f0acc1c901a1aa97af61ff with SHA-1 247956ee32 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/runtime/+/15080843

Change-Id: I8d1dd55ebc948ba85fe500d5f0f0d0b92589f9ef