[CO-405] Remove old instances module

Author: parsonsmatt

wallet-new/src/Cardano/Wallet/API/V1/Types.hs

@@ -202,7 +202,6 @@ import           Pos.Infra.Util.LogSafe (BuildableSafeGen (..), SecureLog (..),
                      buildSafe, buildSafeList, buildSafeMaybe,
                      deriveSafeBuildable, plainOrSecureF)
 import           Pos.Util.Servant (Flaggable (..))
-import           Pos.Wallet.Web.ClientTypes.Instances ()
 import           Test.Pos.Core.Arbitrary ()