Remove trailing whitespace and fix end-of-file

[lens0021]

These changes generated by command pre-commit run --all-files with the following file.

# .pre-commit-config.yaml
repos:
  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v4.4.0
    hooks:
      - id: trailing-whitespace
      - id: end-of-file-fixer

[phil294]

Hi, thanks for this, I haven't really looked into the pre-commit thingy yet. I'll probably apply this PR at some point but I think it's more important to either have a remote push guard / pipeline than a local commit hook as only the former can be enforced

In other words: I did not forget you :)

[lens0021]

Oh, I had seen 12803351e41b4e82d2ce56e69748df7fdd4f69b2 before closed this. I had to mention it first 😃 Thank you