Revert "Revert "[DO NOT MERGE] wifi: remove certificates for network factory reset"" am: 1c079a2d35

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/21310743

Change-Id: I39b65accd96293078261b0708ca230fafa107412
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>