[LyX/master] de.po: update

[Juergen Spitzmueller]

commit 3b981d428a11953812f5939de06d95b45efa58a7
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Sun Apr 19 15:03:51 2020 +0200

    de.po: update

 po/de.po | 4182 +++++++++++++++++++++++++++++++-------------------------------
 1 files changed, 2111 insertions(+), 2071 deletions(-)