Default to using new api/v1/status endpoint for switchboard.
Default to using new api/v1/status endpoint for switchboard.

- this is already the behavior - switchboard is hard-coded to try this first,
  falling back to whatever was provided in StatusEndpoint second.
  The version of galera_healthcheck on newer versions of code always supports
  this newer endpoint, so we have no need to attempt anything else.

[#137748881]

Signed-off-by: Johanna Smith <2fc3028b35264835a509c10d755513fc3ce1357b@pivotal.io>

cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release