Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  817a7581f1ba554415128449b7a0a6a00248a443

Dropped support for old jobs

* Also removed $wgMaxBacklinksInvalidate reference since that var was removed

Change-Id: Ibd6d647bb7af0d4b18d69b8683c8defb49b19583