remove summaries (#4469)

Because our blog posts are mostly only release announcements trying
to have summaries probably isn't that useful. The summaries also
sometimes get misrendered in small ways (as is the case for the
latest-as-of-this-writing summary for the 17.6.0 release).

build.js

@@ -143,8 +143,7 @@ function buildLocale(source, locale, opts) {
       pagination({
         path: 'blog/year',
         iteratee: (post, idx) => ({
-          post,
-          displaySummary: idx < 10
+          post
         })
       })
     )

layouts/blog-index.hbs

@@ -14,12 +14,6 @@
           <li>
             <time datetime="{{ strftime post.date '%FT%T%z' }}">{{ strftime post.date "%d %b" }}</time>
             <a href="/{{ ../site.locale }}/{{ post.path }}/">{{ post.title }}</a>
-
-            {{#if displaySummary}}
-              <div class="summary">
-                {{{ summary post.contents ../site.locale post.path }}}
-              </div>
-            {{/if}}
           </li>
         {{/each}}
       </ul>

package.json

@@ -33,7 +33,6 @@
     "@metalsmith/markdown": "^1.4.0",
     "@metalsmith/permalinks": "^2.4.0",
     "autoprefixer": "^10.4.2",
-    "cheerio": "^0.22.0",
     "graceful-fs": "^4.2.9",
     "handlebars": "^4.7.7",
     "jquery": "^3.6.0",