Remove course announcement

docs/index.qmd

@@ -5,16 +5,6 @@
  ![Python version](https://img.shields.io/pypi/pyversions/mikeio.svg)
 [![PyPI version](https://badge.fury.io/py/mikeio.svg)](https://badge.fury.io/py/mikeio)
 
-::: callout-note
-![](https://training.dhigroup.com/ACA_Logo.png?v=1647618443406)
-
-**Instructor-led course**
-
-[Getting started with MIKE IO for Python processing of dfs files](https://training.dhigroup.com/event/sessions?id=Instructor-led_course_-_Online852475847)
-
-From 4th September 2024 to 2nd October 2024
-:::
-
 Read, write and manipulate dfs0, dfs1, dfs2, dfs3, dfsu and mesh files. 
 
 See our sister library [MIKE IO 1D](https://github.com/DHI/mikeio1d) for .res1d and .xns11 files.