Remove database connection and schema setup from the project

db/database.py

@@ -1,34 +0,0 @@
-# To connect to PostgreSQL database
-import psycopg2
-
-from psycopg2.extras import RealDictCursor
-from typing import Optional
-
-class Database:
-    def __init__(self, db_name: str, user: str, password: str, host: str = 'localhost', port: int = 5432):
-        self.connection = psycopg2.connect(
-            dbname=db_name,
-            user=user,
-            password=password,
-            host=host,
-            port=port
-        )
-        self.connection.autocommit = True
-
-    def execute_query(self, query: str, params: Optional[tuple] = None):
-        with self.connection.cursor(cursor_factory=RealDictCursor) as cursor:
-            cursor.execute(query, params)
-            if cursor.description:
-                return cursor.fetchall()
-            return []
-        
-    def execute_many(self, query: str, params_list: list[tuple]):
-        with self.connection.cursor(cursor_factory=RealDictCursor) as cursor:
-            cursor.executemany(query, params_list)
-
-    def close(self):
-        self.connection.close()
-        print("Database connection closed.")
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        self.close()