[automerge] Revert "Revert "[DO NOT MERGE] wifi: remove certificates for network factory reset"" 2p: dbdb6bad10

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/21310740

Bug: 231985227
Change-Id: I69f40e3282d57b5a28e1f4a90a23b87bd8e1a018