重构 ConstEncrypt/Policies，移到上层目录

Editor/ObfusPasses/ConstEncrypt/ConfigurableEncryptPolicy.cs

@@ -8,7 +8,7 @@ using System.Threading.Tasks;
 using System.Xml;
 using UnityEngine;
 
-namespace Obfuz.ObfusPasses.ConstEncrypt.Policies
+namespace Obfuz.ObfusPasses.ConstEncrypt
 {
     public class ConfigurableEncryptPolicy : EncryptPolicyBase
     {

Editor/ObfusPasses/ConstEncrypt/ConstEncryptPass.cs

@@ -1,7 +1,6 @@
 using dnlib.DotNet;
 using dnlib.DotNet.Emit;
 using Obfuz.Emit;
-using Obfuz.ObfusPasses.ConstEncrypt.Policies;
 using Obfuz.Settings;
 using System;
 using System.Collections.Generic;

Editor/ObfusPasses/ConstEncrypt/EncryptPolicyBase.cs

@@ -1,6 +1,6 @@
 using dnlib.DotNet;
 
-namespace Obfuz.ObfusPasses.ConstEncrypt.Policies
+namespace Obfuz.ObfusPasses.ConstEncrypt
 {
     public abstract class EncryptPolicyBase : IEncryptPolicy
     {