Updated packages to SteamOS 147
Now removes outdated curl packages
removed extra copy of base-files
Removed old Linux kernel
Remove duplicate debian-archive-keyring packages
Remove duplicate eglibc packages
Remove duplicate file packages
Remove duplicate firmware-free package
Remove duplicate ca-certificate package
Remove duplicate flac package
Remove duplicate libgcrypt11 packages
Remove duplicate libtasn1-3 package
Moved tzdata to correct directory
Remove duplicate tzdata package
Remove duplicate steamos-compositor and steamos-updatelevel packages
Remove duplicate unatteded-upgrades package
Replaced out of date libkeyutils1 package