Remove unused parameter, pass-by-ref

[eileenmcnaughton]

Overview

Remove unused parameter, pass-by-ref

Before

After

Technical Details

I checked all core places that they were using the return value rather than the pass-by-ref (which would be inherently un-useful anyway as it would hold only the last value

Comments

[civibot]

(Standard links)

• If this is your first pull-request for CiviCRM, please browse CONTRIBUTING.md for information about the development and testing processes.
• If you are reviewing this pull-request, you may wish to consult the test sites and the Review Standards (long template, short template).