Re: [whatwg/url] Host parser UTF-8 decoding should fail, not U+FFFD (#216)

This appears to be unnecessary. [ToASCII](http://www.unicode.org/reports/tr46/#ToASCII) applied to something with replacement characters will generate an error result, because [Processing](http://www.unicode.org/reports/tr46/#Processing) step 1 ends up in "disallowed" for the replacement character.

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Received on Tuesday, 24 January 2017 20:39:14 UTC