Modified the idea a little bit.

modules/auto-kicker.js

@@ -1,15 +0,0 @@
-const { EmbedBuilder } = require('discord.js');
-const client = require('..');
-const settings = client.db.get(`settings-${member.guild.id}`) || {};
-
-client.on('guildMemberAdd', async member => {
-    //auto kicker
-    if (settings.newUserKicker === true) {
-        if (member.user.createdTimestamp > Date.now() - (settings.newUserKickerThreshold * 24 * 60 * 60 * 1000)) {
-            member.kick(`Account is too new.`).catch(() => {});
-            console.log(`Automatically kicked ${member.user.tag} from ${member.guild.name} for being too new.`)
-        } else {
-            console.log(`User account age is above the threshold. Not kicking ${member.user.tag} from ${member.guild.name}.`)
-        }
-    }
-});