[godepfile] Delete

This is safe to land immediately because the godepfile CIPD package
isn't referenced anywhere (e.g. it isn't auto-rolled).

The CIPD package will no longer be needed after fxrev.dev/489497 lands,
at which point we can remove it from the checkout.

Bug: 70189
Change-Id: Ia1b9ae2f6aecf4b3aa513f832942b2e3c748402f
Reviewed-on: https://fuchsia-review.googlesource.com/c/tools/+/489880
Fuchsia-Auto-Submit: Oliver Newman <olivernewman@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
Reviewed-by: Tamir Duberstein <tamird@google.com>