chore: cleanup documentation examples

[ivokub]

Description

Cleaned up the examples in the documentation. Removed print lines to make the examples more succinct and removed "Output" comments from slow examples to speed up testing.

Type of change

• Refactoring

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I did not modify files generated from templates
• golangci-lint does not output errors locally
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules