Integration branch 2023 week 6: !1855 Cleanup of external dependencies install script !1876 NR refactor PHY vector sizes for multi UE !1933 bugfix: try to handle USRP devices correctly to avoid crashes !1937 CI: clean unused files, drop old cluster images !1629 E1 procedure !1738 Replace Nettle with OpenSSL !1896 Remove CSET0 rom configuration if not in configuration file