WIP: remove the old database abstraction layer

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

while here:
- remove: TextStream, SLog, TexTextStream

winixd/core/mounts.cpp

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2009-2022, Tomasz Sowa
+ * Copyright (c) 2009-2024, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -35,8 +35,6 @@
 #include "mounts.h"
 #include "request.h"
 #include "log.h"
-#include "db/db.h"
-#include "cur.h"
 #include "dirs.h"
 
 
@@ -115,12 +113,6 @@ void Mounts::SetDirs(Dirs * pdirs)
 }
 
 
-void Mounts::SetDb(Db * pdb)
-{
-	db = pdb;
-}
-
-
 int Mounts::AddMountType(const wchar_t * type)
 {
 	mount_type_tab.push_back(type);