chore: reduce jar file size and unsupport sqlite/postgresql/mysql

src/main/kotlin/cn/rtast/fancybot/Const.kt

@@ -23,7 +23,6 @@ import cn.rtast.fancybot.commands.niuzi.NiuziRedeemCommand
 import cn.rtast.fancybot.commands.parse.AsciiArtCommand
 import cn.rtast.fancybot.commands.parse.ReverseGIFCommand
 import cn.rtast.fancybot.entity.Config
-import cn.rtast.fancybot.enums.DatabaseType
 import cn.rtast.fancybot.enums.ImageBedType
 import cn.rtast.fancybot.enums.ImageType
 import cn.rtast.fancybot.enums.WSType
@@ -50,14 +49,6 @@ const val API_RTAST_URL = "https://api.rtast.cn"
 const val PBI_API_URL = "https://pbi.us.kg"
 
 val DEFAULT_CONFIG = Config(
-    database = Config.Database(
-        DatabaseType.SQLite,
-        "127.0.0.1",
-        3306,
-        "root",
-        "114514",
-        "fancybot"
-    ),
     ncmAPI = "https://ncm.rtast.cn",
     wsAddress = "ws://127.0.0.1",
     wsType = WSType.Client,