franz, gcc6-objc, gcc6-go, monero-wallet-qt and influxdb removal

franz and monero-wallet-qt were removed ‘cause the build system is unable to build them anymore. gcc6-objc and gcc6-go were removed from the gcc6 PKGFILE and influxdb was removed from All of them are no longer available on nexus.

Previous Packages are available in the nexus-archive (franz, gcc6-objc, gcc6-go, monero-wallet-qt, influxdb) for a limited time.