Kill fedup

[wgwoods]

These patches make lorax stop building upgrade.img and stop requiring fedup-dracut and friends.

For backward-compatibility, the API and CLI have been left unchanged. --noupgrade is still accepted and doupgrade still gets passed into the templates. It just doesn't do anything.

This is intended for f23-branch and master, so it might need backporting.

NOTE: there's one place in pylorax/__init__.py that might want some tweaking:

        # ppc64 cannot boot an initrd > 32MiB so remove some drivers
        if self.arch.basearch in ("ppc64", "ppc64le"):
            dracut_args.extend(["--omit-drivers", REMOVE_PPC64_DRIVERS])

            # Only omit dracut modules from the initrd so that they're kept for
            # upgrade.img
            anaconda_args.extend(["--omit", REMOVE_PPC64_MODULES])

As far as I can tell, though, that shouldn't hurt anything

[jkonecny12]

Seems good to me but I think @bcl should see this.

BTW when the funeral will be?

[wgwoods]

BTW when the funeral will be?

Once the packages are officially dead - hopefully when the clock strikes F23 - we'll say a few words, close all the bugs, and then drink a lot of whiskey.

[bcl]

Great idea :) I also like how most of the changes are in the templates.

[bcl]

pushed.