Revert "added groups::wikidev and accounts::bd808 to zirconium for scholarship app"

Eep. I didn't follow the proper protocol for this. Although not likely to be controversial,
it is proper for this to go through the access-requests process first. My bad.

This reverts commit e81de218f36bf396d66c39d79c911748aa339f0a.

Change-Id: I2fdf1e9a4561d338109bf00563590efb108c8de5