Updated mediawiki/extensions
Project: mediawiki/extensions/MathSearch  ac4eb2ceb5aa6384ef2b879ff4d5b6a74b2acef5

Remove SVG generation from updateMath script

* SVG generation can not work inside the
  updateMath maintenance script.
* The SVG renderer would try to read the
  tex input string from the database that does
  not contain the entry, due to delayed writes.

Change-Id: I5cdcee52d1e5493af71eca44778333ff9aa1e0a1