How to Hide the "Easy Dark Theme for Astra" Admin Menu

function plt_hide_easy_dark_theme_for_astra_menus() {
	//Hide the "Easy Dark Theme for Astra" menu.
	remove_menu_page('edta-settings');
}

add_action('admin_menu', 'plt_hide_easy_dark_theme_for_astra_menus', 11);

Where do I put this code?