WIP: remove the old database abstraction layer

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

while here:
- remove: TextStream, SLog, TexTextStream

winixd/core/mounts.h

@@ -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
@@ -41,9 +41,6 @@
 #include <string>
 #include <vector>
 #include "mount.h"
-#include "error.h"
-#include "db/db.h"
-#include "request.h"
 #include "mountparser.h"
 #include "winixmodeldeprecated.h"
 
@@ -51,7 +48,7 @@
 namespace Winix
 {
 class Dirs;
-
+class Request;
 
 
 class Mounts : public WinixModelDeprecated
@@ -113,7 +110,6 @@ public:
 	int MountParLang()					{ return mount_par_lang; }
 
 	void SetDirs(Dirs * pdirs);
-	void SetDb(Db * pdb);
 
 	// dir_id, mount_point
 	typedef std::map<long, Mount> MountTab;
@@ -142,7 +138,6 @@ public:
 
 private:
 
-	Db   * db;
 	Dirs * dirs;
 
 	bool skip_static;