fix: improve some code for public view

Author: salman2013

xmodule/video_block/video_block.py

@@ -274,14 +274,7 @@ def public_view(self, context):
             # The new runtime can support anonymous users as fully as regular users:
             return self.student_view(context)
 
-        fragment = Fragment()
-        fragment.add_content(
-            loader.render_django_template(
-                "templates/video.html",
-                self.get_html(view=PUBLIC_VIEW, context=context),
-                i18n_service=self.runtime.service(self, "i18n"),
-            )
-        )
+        fragment = Fragment(self.get_html(view=PUBLIC_VIEW, context=context))
         add_css_to_fragment(fragment, 'VideoBlockDisplay.css')
         add_webpack_js_to_fragment(fragment, 'VideoBlockMain')
         fragment.initialize_js('Video')