e2e tutorial solution is outdated.

[twoGiants]

Expected Behavior

The solution should contain all the code, scripts and documentation to run the bookstore sample app.

Actual Behavior

The following solution parts are outdated:

• setup.sh is empty,
• solution.sh deploys Camel K with the CLI which is not possible with the latest version,
• ML-sentiment-analysis code is outdated,
• ML-bad-word-filter code is outdated.
• some README.mds are outdated.

Steps to Reproduce the Problem

1. Open code-samples/eventing/bookstore-sample-app/solution.
2. Compare solution to current e2e tutorial in the official docs.

[twoGiants]

/assign