Add TODO to rename RelayTransactionSet RPC
Add TODO to rename RelayTransactionSet RPC

ericflo/Sia,MrStrong/Sia,mharkus/Sia,mharkus/Sia,rivine/rivine,johnathanhowell/Sia,mnsl/Sia,ChrisSchinnerl/Sia,MrStrong/Sia,ericflo/Sia,mtlynch/Sia,NebulousLabs/Sia,mnsl/Sia,NebulousLabs/Sia,rivine/rivine,ChrisSchinnerl/Sia,mtlynch/Sia