Titles are actually super important when it comes to SEO, but they are easily removed using the methods Leo mentioned above.
The exact code you need is here:
add_action( 'after_setup_theme', 'tu_remove_all_titles' );
function tu_remove_all_titles() {
add_filter( 'generate_show_title', '__return_false';
}
You can copy and paste that into your functions using one of these methods: https://docs.generatepress.com/article/adding-php/
Let me know if you need more info π