Updated mediawiki/extensions
Project: mediawiki/extensions/PagedTiffHandler  c3fbda977802d6052a81fc21684b357999e37190

Remove compatibility code for class FormatExif

mw.org says min version is 1.19+, so this compat code is no longer
needed.

Change-Id: I7e19a893e85882f5c45807891dbce4d86743188a