fix(blog): remove weekend greeting from tgif-ish posts

Author: janl

_layouts/blog-post-tgif-ish.html

@@ -16,7 +16,6 @@ <h1>{{ page.title }}</h1>
                     </div>
                     {{ content }}
                     <hr class="blog__hr blog-post-end" />
-                    <span class="centered blog-greetings">Have a nice week<strike>end</strike>!</span>
                 </article>
                 <div class="comments grid-9">
                     {% if page.comments %}