Fixed the bug that RelayNode can not disconnect correctly;

Runtime/Attributes/ISlot.cs

@@ -1,80 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace Misaki.GraphView
-{
-    public interface ISlot
-    {
-        /// <summary>
-        /// The slot data.
-        /// </summary>
-        public SlotData SlotData
-        {
-            get;
-        }
-
-        /// <summary>
-        /// The linked slot datas.
-        /// </summary>
-        public List<SlotData> LinkedSlotDatas
-        {
-            get;
-        }
-
-        /// <summary>
-        /// Is the slot linked with another slot.
-        /// </summary>
-        public bool IsLinked
-        {
-            get;
-        }
-
-        /// <summary>
-        /// The owner of the slot.
-        /// </summary>
-        public DataNode Owner
-        {
-            get;
-        }
-
-        /// <summary>
-        /// The data buffer of the slot.
-        /// </summary>
-        public object Data
-        {
-            get;
-        }
-
-        /// <summary>
-        /// Link the current slot with another slot.
-        /// </summary>
-        /// <param name="other"> <see cref="ISlot"/> The slot need to be linked </param>
-        /// <param name="connection"> <see cref="SlotConnection"/> The connection that created when link </param>
-        /// <returns> True if the link action is succeed, otherwise false </returns>
-        public bool Link(ISlot other, out SlotConnection connection);
-
-        /// <summary>
-        /// Unlink the current slot with another slot.W
-        /// </summary>
-        /// <param name="other"> <see cref="ISlot"/> The slot need to be unlinked </param>
-        public void Unlink(ISlot other);
-
-        /// <summary>
-        /// Pull data from the linked slot to current slot.
-        /// </summary>
-        /// <param name="OnPullData">The action to execute when pulling data.</param>
-        public void PullData(Action<ISlot> OnPullData);
-
-        /// <summary>
-        /// Push data from the current slot to linked slot.
-        /// </summary>
-        /// <param name="OnPushData">The action to execute when pushing data.</param>
-        public void PushData(Action<ISlot> OnPushData);
-
-        /// <summary>
-        /// Send data to the slot.
-        /// </summary>
-        /// <param name="data"> The data want to send </param>
-        public void ReceiveData(object data);
-    }
-}

Runtime/Attributes/ISlot.cs.meta

@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 33754a5a556e98d468f1bb3aef689de6