Matthias Meulien 4a4fa44e62
Update french and german resources for "sagebook" (#9472)
* Fix german title of sagebook

* Remove duplicated entry for sagebook in french page

The removed entry also refers to an obsolete URL.
2023-07-20 00:46:43 -04:00
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2023-04-26 10:28:40 -04:00