revert a silly decision about hard-coding latin1
revert a silly decision about hard-coding latin1

Decoding a path as latin1 when it appears undecodable is a non-solution
because, the next time we want to actually *use* the path, it will be encoded
differently and the file won't be found. Death to undecodable paths!

google-code-export/beets,google-code-export/beets,google-code-export/beets