[Tails-l10n] Build failed in Jenkins: check_PO_master #5315

See <https://jenkins.tails.boum.org/job/check_PO_master/5315/display/redirect?page=changes>

Changes:

[ckb] Remove UDFs for never released past versions.

[ckb] Add incremental upgrades on the test channel for Tails 4.1.1


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Started by an SCM change
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building remotely on isobuilder3 in workspace <https://jenkins.tails.boum.org/job/check_PO_master/ws/>
No credentials specified
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository gitolite3@???:tails
> git init <https://jenkins.tails.boum.org/job/check_PO_master/ws/> # timeout=10
Fetching upstream changes from gitolite3@???:tails
> git --version # timeout=10
> git fetch --tags --progress -- gitolite3@???:tails +refs/heads/*:refs/remotes/origin/*
> git config remote.origin.url gitolite3@???:tails # timeout=10
> git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
> git config remote.origin.url gitolite3@???:tails # timeout=10
Fetching upstream changes from gitolite3@???:tails
> git fetch --tags --progress -- gitolite3@???:tails +refs/heads/*:refs/remotes/origin/*
> git rev-parse origin/master^{commit} # timeout=10
Checking out Revision a51141d97562d9e1aa6ac78e3a908452e20210be (origin/master)
> git config core.sparsecheckout # timeout=10
> git checkout -f a51141d97562d9e1aa6ac78e3a908452e20210be
Commit message: "Add incremental upgrades on the test channel for Tails 4.1.1"
> git rev-list --no-walk 951d3c02d1db9d7b66b96bda405a7a9e247af925 # timeout=10

[check_PO_master] $ /bin/sh -xe /tmp/jenkins3413951798136736849.sh
+ /var/lib/jenkins/tools/slaves/check_po
ERROR: wiki/src/about/contact.pt.po:
    i18nspector is not happy:
        E: inconsistent-trailing-newlines msgid '[[!toc levels=2]]\n'
checked files are not clean.
Build step 'Execute shell' marked build as failure