beginner-friendly-playground.php

<?php
/**
 * Plugin Name:       Beginner Friendly Playground
 * Description:       Disables everything that's not really valuable for a first time explorer.
 * Version:           0.1.0
 * Requires at least: 6.5
 */

defined( 'ABSPATH' ) || exit;

add_action('load-index.php', 'disable_welcome_panel');

function disable_welcome_panel() {
    remove_action('welcome_panel', 'wp_welcome_panel');
}