backtracking .md file hack

Author: spjuhel

CONTRIBUTING.md

@@ -83,4 +83,4 @@ It also contains a checklist for both pull request authors and reviewers to guid
 
 [docs]: https://climada-python.readthedocs.io/en/latest/
 [devguide]: https://climada-python.readthedocs.io/en/latest/#developer-guide
-[testing]: https://climada-python.readthedocs.io/en/latest/guide/Guide_Testing.html
+[testing]: https://climada-python.readthedocs.io/en/latest/development/Guide_Testing.html

doc/index.rst

@@ -135,7 +135,6 @@ specialized applications can be found in the `CLIMADA Petals
    User Guide <user-guide/index>
    Developer Guide <development/index>
    API Reference <api/index>
-   About <misc/AUTHORS>
    Changelog <misc/CHANGELOG>
    CLIMADA Petals <https://climada-petals.readthedocs.io/en/stable/>
    WCR Group <https://wcr.ethz.ch/>