New commit detected on ManageIQ/manageiq/euwe:
https://github.com/ManageIQ/manageiq/commit/9608b9009e5306ede9b6862abba3eee681b02f83

commit 9608b9009e5306ede9b6862abba3eee681b02f83
Author:     Alberto Bellotti <abellotti@users.noreply.github.com>
AuthorDate: Tue Mar 21 15:03:23 2017 -0400
Commit:     Satoe Imaishi <simaishi@redhat.com>
CommitDate: Thu Apr 13 18:09:33 2017 -0400

    Merge pull request #14097 from isimluk/rhbz#1414881
    
    Return result of destroy action to user, not nil
    (cherry picked from commit 9aa0cfe1ea89a277b7cf28efe0024ee21a0d3b3c)
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1434952

 app/controllers/api/orchestration_templates_controller.rb |  3 ++-
 spec/requests/api/orchestration_template_spec.rb          | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

Verified that on 5.7.3.1 it's possible to do
POST /api/orchestration_templates/:id
{ "action" : "delete" }

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2017:1601