library injection: remove blob configuration

[Kyle-Verhoog]

What does this PR do? What is the motivation?

This setting did not get much usage in the public beta is being removed for GA.

Merge instructions

• [ ] Please merge after reviewing

Additional notes

[github-actions[bot]]

Preview links (active after the build_preview check completes)

Modified Files

• https://docs-staging.datadoghq.com/kylev/remove-blob-config/tracing/trace_collection/library_injection_local

[jhgilbert]

@Kyle-Verhoog Let me know when you would like this merged. Thank you!

[Kyle-Verhoog]

thanks @jhgilbert! it's good to merge ASAP