WIP: remove the old database abstraction layer

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

while here:
- remove: TextStream, SLog, TexTextStream

winixd/plugins/thread/init.cpp

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2010-2022, Tomasz Sowa
+ * Copyright (c) 2010-2024, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -210,13 +210,11 @@ using namespace Thread;
 	// temporarily
 	info.plugin->Assign(WINIX_PLUGIN_INIT, PluginInit);
 
-	tdb.SetConn(info.db->GetConn());
-	tdb.LogQueries(info.config->log_db_query);
+	tdb.set_dependency(info.functions);
 
 	// thread_info and fun_show_threads are used in 'ticket' plugins too
 	thread_info.set_dependency((WinixModelDeprecated*)info.functions);
 
-	thread_info.SetDb(info.db);
 	thread_info.SetTDb(&tdb);
 	thread_info.SetSystem(info.system);
 	thread_info.plugin_id = info.plugin_id;