Restructured the project structure back to the way it was, there's no reasonable way to split the modules

src/NadekoBot/Db/Models/DelMsgOnCmdChannel.cs

@@ -0,0 +1,14 @@
+#nullable disable
+namespace Nadeko.Bot.Db.Models;
+
+public class DelMsgOnCmdChannel : DbEntity
+{
+    public ulong ChannelId { get; set; }
+    public bool State { get; set; }
+
+    public override int GetHashCode()
+        => ChannelId.GetHashCode();
+
+    public override bool Equals(object obj)
+        => obj is DelMsgOnCmdChannel x && x.ChannelId == ChannelId;
+}