lib/sync: Remove unused struct field
lib/sync: Remove unused struct field

ProactiveServices/syncthing,Kudalufi/syncthing,lkwg82/syncthing,syncthing/syncthing,ProactiveServices/syncthing,kamadak/syncthing,kluppy/syncthing,uok/syncthing,wweich/syncthing,le9i0nx/syncthing,syncthing/syncthing,le9i0nx/syncthing,cherylquirion/syncthing,kluppy/syncthing,wweich/syncthing,ProactiveServices/syncthing,kluppy/syncthing,kamadak/syncthing,wweich/syncthing,le9i0nx/syncthing,nrm21/syncthing,syncthing/syncthing,lkwg82/syncthing,ProactiveServices/syncthing,syncthing/syncthing,Kudalufi/syncthing,cherylquirion/syncthing,kamadak/syncthing,AudriusButkevicius/syncthing,AudriusButkevicius/syncthing,xduugu/syncthing,lkwg82/syncthing,rumpelsepp/syncthing,uok/syncthing,imsodin/syncthing,rumpelsepp/syncthing,uok/syncthing,nrm21/syncthing,kluppy/syncthing,xduugu/syncthing,nrm21/syncthing,jryans/syncthing,cherylquirion/syncthing,jryans/syncthing,AudriusButkevicius/syncthing,cherylquirion/syncthing,Kudalufi/syncthing,le9i0nx/syncthing,kamadak/syncthing,syncthing/syncthing,nrm21/syncthing,xduugu/syncthing,uok/syncthing,rumpelsepp/syncthing,imsodin/syncthing,imsodin/syncthing,AudriusButkevicius/syncthing,Kudalufi/syncthing,jryans/syncthing,rumpelsepp/syncthing,imsodin/syncthing,syncthing/syncthing,xduugu/syncthing,imsodin/syncthing,lkwg82/syncthing,wweich/syncthing,jryans/syncthing