Bug 21912: (QA follow-up) Do not delete existing patrons

Bug 21912: (QA follow-up) Do not delete existing patrons

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 8e6c789255a60958ed12eb399b1acd21819fd40c)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 9b6b80488a6b9315b201a3f6d11d0341e58122b5)

Signed-off-by: Jesse Maseto <jesse@bywatersolutions.com>
(cherry picked from commit 91fbe63d18c7370a1105c21de890fc81c7583f3f)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>