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Improvement
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Resolution: Fixed
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Normal
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None
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None
http://chatlogs.musicbrainz.org/musicbrainz-devel/2014/2014-11/2014-11-10.html#T20-35-01-479018
This makes it more consistent with removing other data from an entity, e.g. removing a barcode, type or label, and can be recovered from the edit history.