function plt_hide_official_mailerlite_sign_up_forms_menus() {
//Hide the "MailerLite" menu.
remove_menu_page('mailerlite_main');
//Hide the "MailerLite → Settings" menu.
remove_submenu_page('mailerlite_main', 'mailerlite_settings');
//Hide the "MailerLite → Status" menu.
remove_submenu_page('mailerlite_main', 'mailerlite_status');
}
add_action('admin_menu', 'plt_hide_official_mailerlite_sign_up_forms_menus', 11);