Remove Banu (as it no longer uses Ikiwiki)
[ikiwiki] / doc / examples /
drwxr-xr-x   ..
-rw-r--r-- 933 blog.mdwn
drwxr-xr-x - blog
-rw-r--r-- 851 softwaresite.mdwn
drwxr-xr-x - softwaresite