Comment out unused _DISCONNECTED set
Comment out unused _DISCONNECTED set

fallen/asyncio,Martiusweb/asyncio,fallen/asyncio,1st1/asyncio,1st1/asyncio,1st1/asyncio,ajdavis/asyncio,haypo/trollius,Martiusweb/asyncio,ajdavis/asyncio,jashandeep-sohi/asyncio,haypo/trollius,manipopopo/asyncio,gvanrossum/asyncio,jashandeep-sohi/asyncio,manipopopo/asyncio,fallen/asyncio,gsb-eng/asyncio,vxgmichel/asyncio,gvanrossum/asyncio,gvanrossum/asyncio,jashandeep-sohi/asyncio,Martiusweb/asyncio,gsb-eng/asyncio,vxgmichel/asyncio,manipopopo/asyncio,vxgmichel/asyncio,ajdavis/asyncio,haypo/trollius,gsb-eng/asyncio