Remove obsolete files in autofill.

Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I7f2df29563db41980615d9b8949de9bf6479f87e
Reviewed-on: https://chromium-review.googlesource.com/1161918
Reviewed-by: Elodie Banel <[email protected]>
Commit-Queue: Javier Ernesto Flores Robles <[email protected]>
Cr-Commit-Position: refs/heads/master@{#580512}
15 files changed