Fix crud response for delete in V2 (since it is not a json object)
Fix crud response for delete in V2 (since it is not a json object)

nono/cozy-client-js,cozy/cozy-client-js,kosssi/cozy-client-js,kosssi/cozy-client-js,nono/cozy-client-js,kosssi/cozy-client-js,cozy/cozy-client-js,cozy/cozy-client-js,nono/cozy-client-js