ftp: remove an old TODO
ftp: remove an old TODO

It turns out the answer to the posed question is "probably".

BUG=488592

Review URL: https://codereview.chromium.org/1300893005

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#345063}

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