Update rpm to version 4.17.0 / rev 297 via SR 973837
https://build.opensuse.org/request/show/973837
by user dirkmueller + dimstar_suse
- update rpm-shorten-changelog.diff: fix shortening of changelog,
the non-primary binary packages had the full changelog
- update macrosin.diff: remove binarychangelog cutoff setting,
this comes from rpm-config-SUSE now