CLEANUP_LIVE_PACKAGES to CLEANUP_BASE_PACKAGES

This reverts commit e65b5cff.

Otherwise, use/branding is pointless in itself.

Hide messages of little significance by default.
See: https://bugzilla.altlinux.org/37201

It looks like this package livecd-firefox is very outdated.

Removed from Sisyphus:
[#329944] DONE (try 2) del=otter-browser

This default has been in Alt for several years now.

Not sure if they will work in config 00-keyboard.conf
It looks like no one has ever used them in mimage-profiles.
Therefore, their loss should not be noticed.

We do the same as in the alterator-xkb.
This change allows the system keyboard layout to be enabled in the
display managers and wayland (when is xkb used).

In the future, on aarch64, symlinks on dtb in vendor directories
will be removed.

plymouth breaks console fonts.

c10f1, c10f2...

See: https://lists.altlinux.org/pipermail/devel/2023-August/217831.html

...to all the installers.

udev-rule-generator provides udevd-final.
Will have to remove udev-rule-generator soon, replacing it with
udevd-final.
See: https://bugzilla.altlinux.org/47228

Can be useful for iso without stage2 (net-install).
grub can bootload by uuid.

memtest86+ >= 6.20 there is only in Sisyphus yet.

Note: efi shell is not signed.

Now use/memtest instead of him.