<article <?php post_class(); ?>>
  <header>
    <h2 class="entry-title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
    <?php get_template_part('templates/entry-meta'); ?>
  </header>
  <div class="entry-summary">
    <?php the_excerpt(); ?>
  </div>
</article>

<article <?php post_class(); ?>>
  <header>
    <h2 class="entry-title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
    <?php if ($posts[0]->post_type == 'post')
      		get_template_part('templates/entry-meta'); ?>
  </header>
  <div class="entry-summary">
    <?php the_excerpt(); ?>
  </div>
</article>

Remove Meta on archive pages that aren't articles.
Remove Meta on archive pages that aren't articles.
