Remove unused DHT-related NodeOptions
Remove unused DHT-related NodeOptions

They're all deprecated in favour of the kademlia yaml configuration
(specified by the --kademlia option)

input-output-hk/pos-haskell-prototype,input-output-hk/cardano-sl,input-output-hk/cardano-sl,input-output-hk/cardano-sl,input-output-hk/cardano-sl,input-output-hk/pos-haskell-prototype,input-output-hk/pos-haskell-prototype