Updated mediawiki/extensions
Project: mediawiki/extensions/Math  7145c366d7bb806ebc65f48a83e93a978497079a

Revert "Added a hook for modifications to MathJax"

This reverts commit 0a8fbac418987b81993a4d41e52652096d90d3bc.

Change-Id: If4442d07e4d82e1f45211bb2b331221c62fadbb8