enwiki should have alphabetic sort order, not code order

- as defined in pywikipedia config, do the same here

http://svn.wikimedia.org/viewvc/pywikipedia/trunk/pywikipedia/families/wikipedia_family.py?revision=11073&view=markup

Change-Id: I854b4753a0c45cc2c2457e415c774f7ab39ca207