代码重构，删除无用文件

scripts/backup_db.py

@@ -1,32 +0,0 @@
-import os
-import datetime
-import subprocess
-
-def backup_mysql_db():
-    """备份MySQL数据库"""
-    # 数据库配置
-    DB_HOST = 'localhost'
-    DB_USER = '用户名'
-    DB_PASS = '密码'
-    DB_NAME = 'prompt_master'
-    
-    # 备份文件路径
-    BACKUP_PATH = 'backups'
-    if not os.path.exists(BACKUP_PATH):
-        os.makedirs(BACKUP_PATH)
-    
-    # 生成备份文件名
-    date = datetime.datetime.now().strftime('%Y%m%d_%H%M%S')
-    backup_file = os.path.join(BACKUP_PATH, f'prompt_master_{date}.sql')
-    
-    try:
-        # 执行mysqldump命令
-        cmd = f'mysqldump -h {DB_HOST} -u {DB_USER} -p{DB_PASS} {DB_NAME} > {backup_file}'
-        subprocess.run(cmd, shell=True, check=True)
-        print(f"数据库备份成功: {backup_file}")
-        
-    except subprocess.CalledProcessError as e:
-        print(f"备份失败: {str(e)}")
-
-if __name__ == '__main__':
-    backup_mysql_db()