Remove usage of deprecated VS Code Didact

[apupier]

Several examples are using VS Code Didact readme files. VS Code Didact is no more maintained.
Replacement for interactive tutorials recommendations are:

• VS Code built-in walkthrough
• VS Code CodeTour extension maintained by Microsoft

[tdiesler]

@squakez says ...

only https://github.com/apache/camel-k-examples/tree/main/generic-examples and https://github.com/apache/camel-k-examples/tree/main/kamelets really matter

I would take care of that and remove references to didact as I go along

[tdiesler]

PR: #97