Remove link to tutorial (duplicated)

This list can quickly get out of date.

Author: MakisH

README.md

@@ -2,6 +2,4 @@
 
 This adapter was implemented as part of the [master thesis of Lucia Cheung](https://www5.in.tum.de/pub/Cheung2016_Thesis.pdf) in cooperation with [SimScale](https://www.simscale.com/). Currently only conjugate heat transfer is supported. Documentation is available in the `cht` subfolder, and [also here](https://www.precice.org/adapter-code_aster.html).
 
-The adapter currently supports preCICE v2.2.0 and Code_Aster v14.6. The following tutorials is available:
-
-* [Flow over plate steady state OpenFoam-Code_Aster](https://www.precice.org/tutorials-flow-over-heated-plate-steady-state.html))
+The adapter currently supports preCICE v2.2.0 and Code_Aster v14.6.