Release notes - SimplySwim - Version v75.1.6

** Improvement
* [SS-508] - Enrolment Advice Email > Exclude HoldSpot enrolments
* [SS-509] - Customer Portal > Prevent showing already ended enrolments
* [SS-510] - Customer Portal > Send Login Reminders via Transaction sending path
* [SS-511] - Customer Portal > Do no show HoldSpot enrollments to customers