Drop pre-rendered html: MediaEntry.description_html

After a bit of discussion, we decided to drop the
pre-rendered html from the database and render it on
the fly.

In another step, we will use some proper caching method to
cache this stuff.

This commit affects the MediaEntry.description_html part.

mediagoblin/edit/views.py

@@ -34,7 +34,7 @@ from mediagoblin.tools.response import render_to_response, redirect
 from mediagoblin.tools.translate import pass_to_ugettext as _
 from mediagoblin.tools.text import (
     clean_html, convert_to_tag_list_of_dicts,
-    media_tags_as_string, cleaned_markdown_conversion)
+    media_tags_as_string)
 from mediagoblin.tools.licenses import SUPPORTED_LICENSES
 
 
@@ -72,9 +72,6 @@ def edit_media(request, media):
             media.tags = convert_to_tag_list_of_dicts(
                                    request.POST.get('tags'))
 
-            media.description_html = cleaned_markdown_conversion(
-                media.description)
-
             media.license = unicode(request.POST.get('license', '')) or None
 
             media.slug = unicode(request.POST['slug'])