Some bloggers prefer to not have excerpts on the archive pages. While Generatepress is a great theme for bloggers, unfortunately even when you set the excerpt length to 0 in the customizer, the ‘read more’ link or button remains there.
With this little piece of code you can easily remedy that.
// Archive pages: Remove 'read more' link
function tu_custom_more_tag( $more ) {
global $wp_query; // assuming you are using the main query
return '';
}
add_filter( 'excerpt_more', 'tu_custom_more_tag', 100 );
Before you add the code snippet your archive page looks like this:

And after you add the code snippet, it will look like this:
