all three variables were unused ever since the code's introduction in
229a0de9c8 "CWS-TOOLING: integrate CWS
appleremote01"
Change-Id: Ib755b86c81a6823c440f9f6a392b8f4b7de973ad
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116984
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>