This reverts commit d3ff9200.

Refs: #12456

This reverts commit a1d0c292.

This reverts commit f32438ed.

Better late than never, I suppose...

<a href="http://onlinecialisrxd.com/">cialis super active</a> ,

Our current XMPP chat rooms lose this information on a weekly basis so
let's not bother with this any more.

Since commit ecfceac5, 3.0~betaN
live on the alpha channel, hence the previous revert. But we still
need a way to test these upgrade paths, so let's use the stable (sic)
channel for that.

refs: #12458

This reverts commit eeaa9dbf.

Since we set TAILS_CHANNEL="alpha" on 3.0~betaN, those users are already
being proposed the automatic update, while 3.0~beta4 is not officially
released yet.

This reverts commit 4055a3ac.

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