wordy: no-op declare compliance with 1.2.0
wordy: no-op declare compliance with 1.2.0

Error object; since Rust was already using `Option` we need take no more
action.

https://github.com/exercism/problem-specifications/pull/1334

petertseng/exercism-rust,exercism/xrust,exercism/xrust,petertseng/exercism-rust,petertseng/exercism-rust