Remove redundant prefix from libcockatrice_card folders

Took 28 minutes

libcockatrice_card/libcockatrice/card/database/card_database_manager.h

@@ -0,0 +1,29 @@
+/**
+ * @file card_database_manager.h
+ * @ingroup CardDatabase
+ * @brief The CardDatabaseManager is responsible for managing the global database singleton.
+ */
+
+#ifndef CARD_DATABASE_ACCESSOR_H
+#define CARD_DATABASE_ACCESSOR_H
+
+#pragma once
+#include "card_database.h"
+
+class CardDatabaseManager
+{
+public:
+    // Delete copy constructor and assignment operator to enforce singleton
+    CardDatabaseManager(const CardDatabaseManager &) = delete;
+    CardDatabaseManager &operator=(const CardDatabaseManager &) = delete;
+
+    // Static method to access the singleton instance
+    static CardDatabase *getInstance();
+    static CardDatabaseQuerier *query();
+
+private:
+    CardDatabaseManager() = default; // Private constructor
+    ~CardDatabaseManager() = default;
+};
+
+#endif // CARD_DATABASE_ACCESSOR_H