Remove some unused usings
MODIFY
WalletWasabi.Gui/Rpc/JsonRpcMethodAttribute.cs
WalletWasabi.Gui/Rpc/JsonRpcMethodAttribute.cs
using System;
-using System.Collections.Generic;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
namespace WalletWasabi.Gui.Rpc
{

MODIFY
WalletWasabi.Gui/Rpc/JsonRpcMethodMetadata.cs
WalletWasabi.Gui/Rpc/JsonRpcMethodMetadata.cs
using System;
using System.Collections.Generic;
using System.Reflection;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
namespace WalletWasabi.Gui.Rpc
{

Remove some unused usings