Bug 33937: Remove incorrect export in C4::Members

Bug 33937: Remove incorrect export in C4::Members

Bug 17600 re-add those exports, but the module does no longer have the
subroutines. We should remove these export.

Test plan:
git grep is your friend

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit e7116af43822477961080218b5b7990793e9c76a)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 4effe3b3d89597fc9498b0d157caf70866a6e686)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>