Remove outdated comment in Tax::ItemAdjuster
Remove outdated comment in Tax::ItemAdjuster

This was changed in 929cb02 and OrderUpdater must now be run to update
item and order totals.

pervino/solidus,Arpsara/solidus,Arpsara/solidus,pervino/solidus,pervino/solidus,Arpsara/solidus,Arpsara/solidus,pervino/solidus