workflows: fix bootstrap-tagsinput bundling

* Removes the global bundling of bootstrap-tagsinput (which
  is used for the filter search in Holding Pen). (closes #2423)

Reported-by: Javier Martin Montull <javier.martin.montull@cern.ch>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>