Default to "GitHub" as author in guide-card (#16717)

* Default authors to ['GitHub']

* Remove now-redundant GitHub authors

Author: JasonEtco

content/actions/guides/publishing-nodejs-packages.md

@@ -8,8 +8,6 @@ redirect_from:
 versions:
   free-pro-team: '*'
   enterprise-server: '>=2.22'
-authors:
-  - GitHub
 ---
 
 {% data reusables.actions.enterprise-beta %}

content/actions/guides/setting-up-continuous-integration-using-workflow-templates.md

@@ -11,8 +11,6 @@ redirect_from:
 versions:
   free-pro-team: '*'
   enterprise-server: '>=2.22'
-authors:
-  - GitHub
 ---
 
 {% data reusables.actions.enterprise-beta %}

includes/guide-card.html

@@ -1,37 +1,40 @@
-{% assign authorsString = guide.page.authors | join: ", @" %}
+{% if guide.page.authors %}
+  {% assign authors = guide.page.authors %}
+{% else %}
+  {% assign authors = 'GitHub' | split: ' ' %}
+{% endif %}
+{% assign authorsString = authors | join: ", @" %}
 
 <div class="col-lg-4 col-12 mb-3">
   <a class="Box box-shadow-medium height-full d-block hover-shadow-large no-underline text-gray-dark p-5" href="{{ guide.href }}">
     <h2>{{ guide.title }}</h2>
     <p class="mt-2 mb-4 text-gray-light">{{ guide.intro }}</p>
 
-    {% if guide.page.authors and guide.page.authors.length > 0 %}
-      <footer class="d-flex">
-        <div class="mr-1">
-          {% if guide.page.authors.length == 1 %}
-            <img class="avatar avatar-2 circle mr-1" src="https://github.com/{{ guide.page.authors[0] }}.png" alt="@{{ guide.page.authors[0] }}" />
-          {% else %}
-            <div class="AvatarStack AvatarStack--three-plus">
-              <div
-                class="AvatarStack-body tooltipped tooltipped-se tooltipped-align-left-1"
-                aria-label="@{{ authorsString }}"
-              >
-                {% for author in guide.page.authors %}
-                  <img
-                    class="avatar circle"
-                    alt="@{{ author }}"
-                    src="https://github.com/{{ author }}.png"
-                  />
-                {% endfor %}
-              </div>
+    <footer class="d-flex">
+      <div class="mr-1">
+        {% if authors.length == 1 %}
+          <img class="avatar avatar-2 circle mr-1" src="https://github.com/{{ authors[0] }}.png" alt="@{{ authors[0] }}" />
+        {% else %}
+          <div class="AvatarStack AvatarStack--three-plus">
+            <div
+              class="AvatarStack-body tooltipped tooltipped-se tooltipped-align-left-1"
+              aria-label="@{{ authorsString }}"
+            >
+              {% for author in authors %}
+                <img
+                  class="avatar circle"
+                  alt="@{{ author }}"
+                  src="https://github.com/{{ author }}.png"
+                />
+              {% endfor %}
             </div>
-          {% endif %}
-        </div>
+          </div>
+        {% endif %}
+      </div>
 
-        <div>
-          @{{ authorsString }}
-        </div>
-      </footer>
-    {% endif %}
+      <div>
+        @{{ authorsString }}
+      </div>
+    </footer>
   </a>
 </div>