This PR changes the suites tests so if go test -short is used, they are skipped per go standards and a message is displayed. Additionally removed some redundant types from suite_high_availability_test.go and adjusted a warning about a nil req var.
* Remove unused mongo docker-compose file.
* Default redirection URL was not taken into account.
* Fix possible storage options in config template.
* Remove useless checks in u2f registration endpoints.
* Add default redirection url in config of duo suite.
* Fix log line in response handler of 2FA methods.
* Fix integration tests.
Co-authored-by: Amir Zarrinkafsh <nightah@me.com>