MPDConnection: Remove unnecessary nested try/catch.
MPDConnection: Remove unnecessary nested try/catch.

hurzl/dmix,joansmith/dmix,jcnoir/dmix,0359xiaodong/dmix,abarisain/dmix,hurzl/dmix,jcnoir/dmix,abarisain/dmix,0359xiaodong/dmix,joansmith/dmix