WL-2562 Constructor removed from LoginResource
WL-2562 change to void methods
Revert "WL-2562 change to void methods"

This reverts commit 3f0f619e72a2e1d8d50bcb5c641c9c4d07b5f079.

com.sun.jersey.api.container.ContainerException: Fatal issues found at class uk.ac.ox.oucs.vle.LoginResource.
WL-2562 remove comment