WIP: remove the old database abstraction layer

remove such classes:
- DbBase
- DbConn
- DbTextStream
- Db

while here:
- remove: TextStream, SLog, TexTextStream

winixd/notify/templatesnotify.h

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2014, Tomasz Sowa
+ * Copyright (c) 2008-2024, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,6 @@
 #define headerfile_winix_notify_templatesnotify
 
 #include "ezc.h"
-#include "core/textstream.h"
 #include "notifypool.h"
 
 namespace Winix
@@ -45,7 +44,7 @@ namespace Winix
 
 namespace TemplatesNotifyFunctions
 {
-	typedef TextStream<std::wstring> NotifyStream;
+	typedef pt::WTextStream NotifyStream;
 	typedef Ezc::FunInfo<NotifyStream> Info;
 
 	extern NotifyUserMsg notify_user_msg;