Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  dde7202cccccd00acfab1360e8884e2b6c3e634c

oHash doesn't need to be in data-parsoid attribute for thumbnails.

This just bloats the HTML output.  The wikitext serializer uses the
'optionList' and 'optNames' properties; it doesn't need oHash.

Change-Id: Ic4305a6df19b24fdc9fdbf1ef6e8ba7bff2c0827