Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  98a5fb2123572e3069181abd5aca103c965aa43c

Hygiene: Remove unused method don't expose methods we are not using.

* unlockViewport and prettyEncodeTitle are not used anywhere.
deparam is only run in application.js so does not need to be exposed.

Change-Id: Iab8e3c80f70858dfe3e9749f3c125d100faad4a4