Revert "FEATURE: Display oneboxed content in knowledge explorer topic view"

This reverts commit 89ef7c8133.

assets/javascripts/discourse/components/knowledge-explorer-topic.js.es6

@@ -2,6 +2,6 @@ export default Ember.Component.extend({
   classNames: "knowledge-explorer-topic",
 
   originalPostContent: Ember.computed.readOnly(
-    "topic.post_stream.posts.firstObject"
+    "topic.post_stream.posts.firstObject.cooked"
   )
 });

assets/javascripts/discourse/templates/components/knowledge-explorer-topic.hbs

@@ -4,7 +4,7 @@
 
 <div class="topic-content">
   <h1>{{topic.title}}</h1>
-  {{mount-widget widget="knowledge-explorer-post" args=(hash post=originalPostContent)}}
+  {{{originalPostContent}}}
 </div>
 
 <a class="knowledge-explorer-nav-link more" href="/t/{{topic.id}}">

assets/javascripts/discourse/widgets/knowledge-explorer-post.js.es6

@@ -1,13 +0,0 @@
-import PostCooked from "discourse/widgets/post-cooked";
-import DecoratorHelper from "discourse/widgets/decorator-helper";
-import { createWidget } from "discourse/widgets/widget";
-
-export default createWidget("knowledge-explorer-post", {
-  html(attrs, state) {
-    return new PostCooked(
-      attrs.post,
-      new DecoratorHelper(this),
-      this.currentUser
-    );
-  }
-});