mpdstats: clean up some unused code
mpdstats: clean up some unused code

diego-plan9/beets,kelvinhammond/beets,jackwilsdon/beets,Dishwishy/beets,shanemikel/beets,shanemikel/beets,sampsyo/beets,imsparsh/beets,xsteadfastx/beets,m-urban/beets,parapente/beets,m-urban/beets,sadatay/beets,drm00/beets,imsparsh/beets,Freso/beets,LordSputnik/beets,bj-yinyan/beets,lightwang1/beets,Freso/beets,jmwatte/beets,beetbox/beets,Freso/beets,lengtche/beets,m-urban/beets,krig/beets,madmouser1/beets,kareemallen/beets,swt30/beets,SusannaMaria/beets,artemutin/beets,asteven/beets,marcuskrahl/beets,mosesfistos1/beetbox,asteven/beets,pkess/beets,Andypsamp/CODfinalJUNIT,Kraymer/beets,ruippeixotog/beets,MyTunesFreeMusic/privacy-policy,jackwilsdon/beets,untitaker/beets,pkess/beets,shamangeorge/beets,PierreRust/beets,lightwang1/beets,beetbox/beets,SusannaMaria/beets,MyTunesFreeMusic/privacy-policy,YetAnotherNerd/beets,Andypsamp/CODjunit,krig/beets,ttsda/beets,dfc/beets,jcoady9/beets,Kraymer/beets,SusannaMaria/beets,LordSputnik/beets,YetAnotherNerd/beets,imsparsh/beets,marcuskrahl/beets,swt30/beets,jcoady9/beets,sampsyo/beets,drm00/beets,kelvinhammond/beets,PierreRust/beets,Andypsamp/CODfinalJUNIT,andremiller/beets,mathstuf/beets,PierreRust/beets,shamangeorge/beets,kareemallen/beets,ibmibmibm/beets,swt30/beets,andremiller/beets,LordSputnik/beets,drm00/beets,sadatay/beets,gabrielaraujof/beets,jmwatte/beets,diego-plan9/beets,beetbox/beets,jmwatte/beets,jcoady9/beets,Dishwishy/beets,tima/beets,bj-yinyan/beets,multikatt/beets,LordSputnik/beets,marcuskrahl/beets,marcuskrahl/beets,ruippeixotog/beets,swt30/beets,kelvinhammond/beets,lengtche/beets,imsparsh/beets,Dishwishy/beets,Andypsamp/CODjunit,mried/beets,ruippeixotog/beets,jackwilsdon/beets,moodboom/beets,lightwang1/beets,shamangeorge/beets,mosesfistos1/beetbox,moodboom/beets,parapente/beets,madmouser1/beets,arabenjamin/beets,arabenjamin/beets,dfc/beets,ttsda/beets,Andypsamp/CODjunit,Wen777/beets,mried/beets,kareemallen/beets,asteven/beets,mathstuf/beets,untitaker/beets,gabrielaraujof/beets,randybias/beets,arabenjamin/beets,xsteadfastx/beets,lengtche/beets,shanemikel/beets,Kraymer/beets,gabrielaraujof/beets,moodboom/beets,tima/beets,Kraymer/beets,dfc/beets,Andypsamp/CODfinalJUNIT,multikatt/beets,madmouser1/beets,ibmibmibm/beets,lengtche/beets,parapente/beets,mried/beets,mosesfistos1/beetbox,sadatay/beets,asteven/beets,artemutin/beets,Andypsamp/CODfinalJUNIT,Wen777/beets,dfc/beets,sadatay/beets,krig/beets,randybias/beets,Wen777/beets,arabenjamin/beets,ttsda/beets,beetbox/beets,moodboom/beets,drm00/beets,pkess/beets,ruippeixotog/beets,untitaker/beets,tima/beets,kelvinhammond/beets,artemutin/beets,multikatt/beets,MyTunesFreeMusic/privacy-policy,jcoady9/beets,shamangeorge/beets,pkess/beets,lightwang1/beets,jackwilsdon/beets,Freso/beets,tima/beets,multikatt/beets,Andypsamp/CODjunit,SusannaMaria/beets,shanemikel/beets,Dishwishy/beets,YetAnotherNerd/beets,PierreRust/beets,mosesfistos1/beetbox,ibmibmibm/beets,madmouser1/beets,andremiller/beets,parapente/beets,untitaker/beets,Andypsamp/CODfinalJUNIT,ttsda/beets,bj-yinyan/beets,MyTunesFreeMusic/privacy-policy,xsteadfastx/beets,Andypsamp/CODjunit,randybias/beets,sampsyo/beets,jmwatte/beets,bj-yinyan/beets,randybias/beets,kareemallen/beets,YetAnotherNerd/beets,mathstuf/beets,sampsyo/beets,diego-plan9/beets,artemutin/beets,mried/beets,ibmibmibm/beets,xsteadfastx/beets,diego-plan9/beets,mathstuf/beets,gabrielaraujof/beets,m-urban/beets