Delete code with GetRecoveryRequestReply

The following causes error when roll-dep system api.
```
template COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_CRYPTOHOME)
    cryptohome::ErrorWrapper
    ReplyToCryptohomeError(const std::optional<GetRecoveryRequestReply>&);
```
Per https://crrev.com/c/5502927, it can be deleted.

Change-Id: I49d9a3896ad956bb0eb49fa278c0d80660df2dda
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5536869
Auto-Submit: Cranel W <cranelw@chromium.org>
Commit-Queue: Ryo Hashimoto <hashimoto@chromium.org>
Reviewed-by: John Admanski <jadmanski@chromium.org>
Reviewed-by: Ryo Hashimoto <hashimoto@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1301003}