Revert "mpd: don't explicitly set audio output, formatting"

This reverts commit 351a6d66269cdeb23c0f178ed34cf2a81891a5b2.
Revert "Revert "mpd: don't explicitly set audio output, formatting""

This reverts commit 9cfb91ab1b3c838f9b07b4394c4a9d65cec8e382.