Update group and admin runners layout
What does this MR do and why?
Update group and admin runners layout
- Make runner metadata smaller font
- Remove "no description" info
- Remove unnecessary border
- Remove underline on owner
Related design issue: Unbox runner table (#399240 - closed)
What does this MR not do?
Remove the gray background on the filter bar (should be addressed at a component/region level- slack thread)
Screenshots or screen recordings
| Before | After | |
|---|---|---|
| Group runners |  |
 |
| Admin runners |  |
 |
How to set up and validate locally
- Look at admin runners (ie http://localhost:3000/admin/runners)
- Look at group runners (ie http://localhost:3000/groups/gitlab-org/-/runners)
Edited by Annabel Dunstone Gray