Updated mediawiki/extensions
Project: mediawiki/extensions/GWToolset  86ed452352fb1f50e5782072c8847052bac94c1b

Rm class entries for auto-loader that no longer exist

WikiPages.php and FileException.php were removed, so no longer should
have the corresponding classes registered to the auto-loader.

Bug: 68637
Change-Id: I21f182217bfd93c1aae36a6c79814a15f28f826b