Torbirdy patches need updating

Reported by bertagaz on tails-dev today:

Since the 2.5 release, it seems one of our Torbirdy patches are fuzzy, which
makes the build of devel (and any branch based on it) fail.
[...]

Here's the excerpt from the build logs:

P: Applying patch config/chroot_local-patches/torbirdy-0001-secure-autoconfig-compat.diff...
patching file usr/share/xul-ext/torbirdy/chrome/content/emailwizard.js
Hunk #1 FAILED at 1.
Hunk #2 FAILED at 63.
Hunk #3 FAILED at 75.
Hunk #4 FAILED at 111.
Hunk #5 FAILED at 125.
5 out of 5 hunks FAILED -- saving rejects to file usr/share/xul-ext/torbirdy/chrome/content/emailwizard.js.rej
patching file usr/share/xul-ext/torbirdy/chrome/content/emailwizard.xul
Reversed (or previously applied) patch detected!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.
1 out of 1 hunk ignored -- saving rejects to file usr/share/xul-ext/torbirdy/chrome/content/emailwizard.xul.rej
patching file usr/share/xul-ext/torbirdy/chrome/content/preferences.js
Hunk #1 FAILED at 37.
1 out of 1 hunk FAILED -- saving rejects to file usr/share/xul-ext/torbirdy/chrome/content/preferences.js.rej
patching file usr/share/xul-ext/torbirdy/components/torbirdy.js
Reversed (or previously applied) patch detected!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.

Feature Branch: bugfix/11619-drop-upstreamed-torbirdy-patches

Parent Task: #5663 (closed)

Original created by @u on 11619 (Redmine)