Remove invalid assert during task cancellation.
Remove invalid assert during task cancellation.

camponez/bitshares,frrp/bitshares,bitshares/bitshares,bitshares/bitshares-0.x,frrp/bitshares,bitsuperlab/cpp-play,RemitaBit/Remitabit,jakeporter/Bitshares,frrp/bitshares,bitsuperlab/cpp-play,bitsuperlab/cpp-play,bitshares/bitshares,RemitaBit/Remitabit,camponez/bitshares,camponez/bitshares,bitshares/bitshares-0.x,RemitaBit/Remitabit,bitshares/bitshares,FollowMyVote/bitshares,FollowMyVote/bitshares,jakeporter/Bitshares,Ziftr/bitshares,dacsunlimited/dac_play,bitshares/devshares,bitshares/devshares,bitshares/bitshares-0.x,camponez/bitshares,bitshares/bitshares,jakeporter/Bitshares,bitsuperlab/cpp-play,bitsuperlab/cpp-play,jakeporter/Bitshares,drltc/keyid,bitshares/bitshares,bitshares/bitshares,dacsunlimited/dac_play,dacsunlimited/dac_play,jakeporter/Bitshares,bitsuperlab/cpp-play,FollowMyVote/bitshares,dacsunlimited/dac_play,camponez/bitshares,FollowMyVote/bitshares,Ziftr/bitshares,drltc/keyid,bitshares/devshares,dacsunlimited/dac_play,frrp/bitshares,camponez/bitshares,bitshares/devshares,RemitaBit/Remitabit,jakeporter/Bitshares,frrp/bitshares,dacsunlimited/dac_play,frrp/bitshares,RemitaBit/Remitabit,bitshares/devshares,RemitaBit/Remitabit,Ziftr/bitshares,drltc/keyid,bitshares/bitshares-0.x,FollowMyVote/bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,drltc/keyid,bitshares/bitshares-0.x,Ziftr/bitshares,bitshares/devshares