Remove unneeded broken icon link
Remove unneeded broken icon link

Long ago this used to be a "document icon" and showed the filename.
After a while this changed to a table icon, and most recently it
ended up without a filename and an empty link added too.  The filename
is elsewhere on the page, so not needed at all.

apache/allura,heiths/allura,apache/allura,heiths/allura,heiths/allura,apache/allura,apache/allura,heiths/allura,apache/allura,heiths/allura