WEB-4985 - use otel table

[davidejones]

What does this PR do? What is the motivation?

Updates the otel http table to pull from another repo

Merge instructions

• [ ] Please merge after reviewing

Additional notes

see http table https://docs-staging.datadoghq.com/david.jones/web-4985/opentelemetry/schema_semantics/semantic_mapping/?tab=datadogexporter#http