Changes to Deletes the given indicator template of the given exam template.

api tag ExamTemplate added

api tag exam-template-controller removed

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 429

added the non-success response with the status 500