* rpm scriptlets: fix shellcheck warnings
- Update to version 16.0.46:
* Support for bootloaders that follow the boot loader specification
in particular systemd-boot (bsc#1226122)
* Spec file: obsolete sdbootutil-rpm-scriptlets, the scriptlets
in suse-module-tools-scriptlets have modified to support the
systemd-boot / sdbootutil use case, too
OBS-URL: https://build.opensuse.org/package/show/Base:System/suse-module-tools?expand=0&rev=188
