In T311793 we completed the new grid layout.
Following QA and design review we should deploy it via the following process
TODO
- Make sure T287609 is done at the same time.
- Deploy to group 0 wikis on Tuesday 18th.
- Optional: group 1 wikis on Wed 19th
- Deploy to all wikis on Thursday 20th. On this day it's also safe to remove VectorTitleAboveTabs.
- Remove grid code from Vector