Revert "Fix set_state method in GStreamerOutput"
Revert "Fix set_state method in GStreamerOutput"

This reverts commit dc27434df9e66e530247fd47270729618be65a8d.

glogiotatidis/mopidy,jmarsik/mopidy,adamcik/mopidy,adamcik/mopidy,ali/mopidy,pacificIT/mopidy,ali/mopidy,jmarsik/mopidy,bencevans/mopidy,glogiotatidis/mopidy,kingosticks/mopidy,vrs01/mopidy,mopidy/mopidy,abarisain/mopidy,bencevans/mopidy,mokieyue/mopidy,swak/mopidy,quartz55/mopidy,diandiankan/mopidy,jmarsik/mopidy,woutervanwijk/mopidy,hkariti/mopidy,priestd09/mopidy,dbrgn/mopidy,pacificIT/mopidy,vrs01/mopidy,SuperStarPL/mopidy,ZenithDK/mopidy,dbrgn/mopidy,mokieyue/mopidy,glogiotatidis/mopidy,rawdlite/mopidy,jcass77/mopidy,jcass77/mopidy,pacificIT/mopidy,woutervanwijk/mopidy,vrs01/mopidy,liamw9534/mopidy,adamcik/mopidy,priestd09/mopidy,quartz55/mopidy,jmarsik/mopidy,tkem/mopidy,mopidy/mopidy,bacontext/mopidy,tkem/mopidy,kingosticks/mopidy,jcass77/mopidy,abarisain/mopidy,quartz55/mopidy,hkariti/mopidy,SuperStarPL/mopidy,dbrgn/mopidy,ali/mopidy,mokieyue/mopidy,diandiankan/mopidy,bacontext/mopidy,rawdlite/mopidy,ZenithDK/mopidy,mokieyue/mopidy,jodal/mopidy,SuperStarPL/mopidy,bacontext/mopidy,pacificIT/mopidy,tkem/mopidy,rawdlite/mopidy,swak/mopidy,jodal/mopidy,jodal/mopidy,ali/mopidy,dbrgn/mopidy,liamw9534/mopidy,hkariti/mopidy,SuperStarPL/mopidy,swak/mopidy,vrs01/mopidy,diandiankan/mopidy,bacontext/mopidy,ZenithDK/mopidy,tkem/mopidy,ZenithDK/mopidy,rawdlite/mopidy,glogiotatidis/mopidy,bencevans/mopidy,kingosticks/mopidy,swak/mopidy,priestd09/mopidy,quartz55/mopidy,bencevans/mopidy,diandiankan/mopidy,mopidy/mopidy,hkariti/mopidy