Remove 'Raise error' TODOs
Remove 'Raise error' TODOs

I don't know what kind of errors I should throw, and the MPRIS spec
always use 'may' and 'should' regarding the throwing of errors.

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