removed unused methods

Libraries/Core/Callbacks/DialogueCallbacks.cs

@@ -308,17 +308,17 @@ public class DialogueCallbacks(
 
     public string ChangeMailGroupOwner(string url, ChangeGroupMailOwnerRequest info, string sessionID)
     {
-        throw new NotImplementedException(); // Not implemented in Node
+        return "Not Implemented!"; // Not implemented in Node
     }
 
     public string AddUserToMail(string url, AddUserGroupMailRequest info, string sessionID)
     {
-        throw new NotImplementedException(); // Not implemented in Node
+        return "Not Implemented!"; // Not implemented in Node
     }
 
     public string RemoveUserFromMail(string url, RemoveUserGroupMailRequest info, string sessionID)
     {
-        throw new NotImplementedException(); // Not implemented in Node
+        return "Not Implemented!"; // Not implemented in Node
     }
 
     public bool OnUpdate(long timeSinceLastRun)

Libraries/Core/Callbacks/LauncherV2Callbacks.cs

@@ -99,14 +99,4 @@ public class LauncherV2Callbacks(
             }
         );
     }
-
-    public string Profile()
-    {
-        throw new NotImplementedException();
-    }
-
-    public string ProfileMods()
-    {
-        throw new NotImplementedException();
-    }
 }