fix(network): Converts House Design Detailed Packet (#538)

- [X] Converts design state detailed packet
- [X] Removes `Packet` class
- [X] Removes `Send(Packet)` function signatures
- [X] Removes `PacketWriter` class
- [X] Updates dependencies.

Projects/Server/Mobiles/Mobile.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.Serialization;
-using Microsoft.Toolkit.HighPerformance.Extensions;
+using Microsoft.Toolkit.HighPerformance;
 using Server.Accounting;
 using Server.Buffers;
 using Server.ContextMenus;
@@ -7047,24 +7047,6 @@ namespace Server
             eable.Free();
         }
 
-        public bool Send(Packet p) => Send(p, false);
-
-        public bool Send(Packet p, bool throwOnOffline)
-        {
-            if (m_NetState != null)
-            {
-                m_NetState.Send(p);
-                return true;
-            }
-
-            if (throwOnOffline)
-            {
-                throw new MobileNotConnectedException(this, "Packet could not be sent.");
-            }
-
-            return false;
-        }
-
         /// <summary>
         ///     Overridable. Event invoked before the Mobile says something.
         ///     <seealso cref="DoSpeech" />