revert converting thumbnail

Author: siniakinaa

plugins/domains/loom.com.js

@@ -38,7 +38,7 @@ export default {
             });
         }
 
-        var links = [{
+        return [{
             href: iframe.replaceQuerystring(q),
             type: CONFIG.T.text_html, // Validator fails because we receive x-frame-options. It actually works fine.
             rel: CONFIG.R.player,
@@ -51,17 +51,6 @@ export default {
             }
         }];
 
-        var thumbnail = iframe.placeholder && iframe.placeholder.replace(/\.gif(?=[^.]*$)/i, '.jpg');
-        if (thumbnail) {
-            links.push({
-                href: thumbnail,
-                type: CONFIG.T.image,
-                rel: CONFIG.R.thumbnail
-            });
-        }
-
-        return links;
-
     },
 
     tests: [