Returns {@code info}.{@link hunt.shiro.authc.AuthenticationInfo#getPrincipals() getPrincipals()} and
ignores the {@link Subject} argument.
@param subject the subject for which the principals are being remembered.
@param info the authentication info resulting from the successful authentication attempt.
@return the {@code PrincipalCollection} to remember.
Returns {@code info}.{@link hunt.shiro.authc.AuthenticationInfo#getPrincipals() getPrincipals()} and ignores the {@link Subject} argument.
@param subject the subject for which the principals are being remembered. @param info the authentication info resulting from the successful authentication attempt. @return the {@code PrincipalCollection} to remember.