[automerger skipped] Delete the clatd code that assigns IPv4 and IPv6 addresses. am: f13d56995f am: 9f6dcb8b7b -s ours

am skip reason: Change-Id I8265e9bb04d44ed1dda445fa91881fcd1601dc47 with SHA-1 f13d56995f is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/android-clat/+/11704601

Change-Id: I3979d3d581c48414962825b91f1ee0af39a946b1