Updated mediawiki/extensions
Project: mediawiki/extensions/MathSearch  fd8e0fef8d176f5494905a8ab5399e89035d076f

Delete MWS submodule

The MathWeb Search server is a service that should be installed on its own
including is as submodule is a bad system design. A debian package
would be much more appropriate.

Change-Id: Iad9860c0d061461fee48dea8af1b878e75e42e68