Removed GetJumpUrl() from IMessage

src/Discord.Net.Core/Entities/Messages/IMessage.cs

@@ -15,8 +15,6 @@ namespace Discord
         bool IsPinned { get; }
         /// <summary> Returns the content for this message. </summary>
         string Content { get; }
-        /// <summary> Returns a jump url for this message. </summary>
-        string GetJumpUrl();
         /// <summary> Gets the time this message was sent. </summary>
         DateTimeOffset Timestamp { get; }
         /// <summary> Gets the time of this message's last edit, if any. </summary>