去掉obi，使用自写绳索

Assets/Obi/Editor/Common/Utils/BooleanPreference.cs

@@ -1,46 +0,0 @@
-
-using UnityEditor;
-
-namespace Obi
-{
-    public class BooleanPreference
-    {
-        bool m_Value;
-        string m_Name;
-        bool m_Loaded;
-
-        public BooleanPreference(string name, bool value)
-        {
-            m_Name = name;
-            m_Loaded = false;
-            m_Value = value;
-        }
-
-        private void Load()
-        {
-            if (m_Loaded)
-                return;
-
-            m_Loaded = true;
-            m_Value = EditorPrefs.GetBool(m_Name, m_Value);
-        }
-
-        public bool value
-        {
-            get { Load(); return m_Value; }
-            set
-            {
-                Load();
-                if (m_Value == value)
-                    return;
-                m_Value = value;
-                EditorPrefs.SetBool(m_Name, value);
-            }
-        }
-
-        public static implicit operator bool(BooleanPreference s)
-        {
-            return s.value;
-        }
-    }
-}