Comment 2 for bug 1875051

I'm not shure if it's an duplicate. I never added Xservers
ppa:xorg-edgers/ppa

ls -l /etc/apt/trusted.gpg.d/
insgesamt 48
-rw-r--r-- 1 root root 1132 Feb 13 01:03 ansible_ubuntu_ansible-2_9.gpg
-rw-r--r-- 1 root root 368 Okt 13 2019 freecad-maintainers_ubuntu_freecad-daily.gpg
-rw-r--r-- 1 root root 358 Okt 8 2019 gezakovacs_ubuntu_ppa.gpg
-rw-r--r-- 1 root root 370 Mär 10 15:31 libreoffice_ubuntu_ppa.gpg
-rw-r--r-- 1 root root 641 Mär 1 21:23 microsoft.gpg
-rw-r--r-- 1 root root 1137 Okt 13 2019 openscad_ubuntu_releases.gpg
-rw-r--r-- 1 root root 360 Dez 27 20:01 thomas_tsai_ubuntu_ubuntu-tuxboot.gpg
-rw-r--r-- 1 root root 364 Okt 14 2019 thopiekar_ubuntu_cura.gpg
-rw-r--r-- 1 root root 1132 Okt 5 2019 ubuntubudgie_ubuntu_backports.gpg
-rw-r--r-- 1 root root 2796 Sep 18 2018 ubuntu-keyring-2012-archive.gpg
-rw-r--r-- 1 root root 2794 Sep 18 2018 ubuntu-keyring-2012-cdimage.gpg
-rw-r--r-- 1 root root 1733 Sep 18 2018 ubuntu-keyring-2018-archive.gpg

Ubuntu was preinstalled by Tuxedo.