Updated mediawiki/skins
Project: mediawiki/skins/BlueSky  819c79a89204640c7a55ec47f6103827577416a7

Removed taboola script.

External scripts should not be skin-specific unless there's a very good
reason for them to be, and they likely should have their own
ResourceLoader modules.

Change-Id: I202d34c98e310036faf533b60153b2feea369466