Switch to side-by-side view

--- a/Allura/allura/model/discuss.py
+++ b/Allura/allura/model/discuss.py
@@ -466,5 +466,3 @@
             return self.thread.url() + 'attachment/' + urllib.quote(self.filename)
         else:
             return self.discussion.url() + 'attachment/' + urllib.quote(self.filename)
-
-