docs(delete_prefix) correct grammar

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davhojt 2022-06-13 00:42:03 +03:00 committed by Dav Hojt
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### Instructions
Define the function `delete_prefix(prefix, s)` which returns the string slice `s` with the `prefix` removed wrapped in `Some`. If `prefix ` is not a prefix of `s` it returns `None`.
Define the function `delete_prefix` which returns the string slice `s` with the `prefix` removed. It should be wrapped in `Some`. If `prefix` is not a prefix of `s`, then `delete_prefix` returns `None`.
### Expected Function