Deleted external links

Signed-off-by: Valentin Popov <info@valentineus.link>

_data/external_links.yml

@@ -1,8 +0,0 @@
-- name: "Example"
-  url: "http://example"
-
-- name: "Example"
-  url: "http://example"
-
-- name: "Example"
-  url: "http://example"

_includes/external_links.html

@@ -1,11 +0,0 @@
-<p class="social-links">
-  {% for link in site.data.external_links %}
-    <a href="{{ link.url | strip_newlines | strip_html | strip | normalize_whitespace | uri_escape }}">
-      {{ link.name | strip_newlines | strip_html | strip | normalize_whitespace | smartify | xml_escape }}
-    </a>
-    <!-- Separation -->
-    {% unless forloop.last %}
-      <span>|</span>
-    {% endunless %}
-  {% endfor %}
-</p>