also remove no longer valid transactions from re-broadcasting transactions pool
also remove no longer valid transactions from re-broadcasting transactions pool

fimkrypto/nxt,duckx/nxt,fimkrypto/nxt,Ziftr/nxt,duckx/nxt,fimkrypto/nxt,metrospark/czarcraft,Ziftr/nxt,dmkaplan2000/nxt_dmk,Ziftr/nxt,metrospark/czarcraft,fimkrypto/nxt,metrospark/czarcraft,duckx/nxt,dmkaplan2000/nxt_dmk,dmkaplan2000/nxt_dmk