[vtadmin-web] Tidy up vestigial imports
[vtadmin-web] Tidy up vestigial imports

Signed-off-by: Sara Bee <135b746314d6d3856a946b02fc025a1e267629b2@users.noreply.github.com>

tinyspeck/vitess,tinyspeck/vitess,mahak/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess,tinyspeck/vitess,tinyspeck/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess