Works around UI bug causing multiple delete confirmation dialogues

Problem is caused by Turbolinks links incompatiblities.  Remove from curate_vanilla Application.

HYDRADIR-180
Merge pull request #426 from projecthydra/feature/HYDRASIR-180-Double_Delete_Item_Confirmation

Works around UI bug causing multiple delete confirmation dialogues
This closes https://jira.duraspace.org/browse/HYDRASIR-225 which contains 4 bugs:
https://jira.duraspace.org/browse/HYDRASIR-145 Continual dialogue box won't allow delete to work
https://jira.duraspace.org/browse/HYDRASIR-179 In Chrome the add and remove buttons are duplicated in many of the fields
https://jira.duraspace.org/browse/HYDRASIR-180 Double delete item confirmation
https://jira.duraspace.org/browse/HYDRASIR-144 Menu doesn't work sometimes
All of the above issues have been tested in FF, Chrome, IE, Safari with TurboLinks disabled.