Remove "Custom" in Custom Enrolment Status in Settings

This update introduces the removal of the word "Custom" in Custom Enrolment Status.

• In Administration -> Templates -> Enrolment Status, this update has been applied:
  When navigating to Enrolment Status, the word "Custom" has been removed.
  

When creating or editing an enrolment status, the word "Custom" has also been removed from the pop up modal.