chore(tracing): remove deprecated modules [3.0]

[mabdinur]

• Removes all tracing modules and packages that are not defined in ddtrace._trace, ddtrace.internal, or ddtrace.trace.
• Removes deprecated tracing attributes from ddtrace. ddtrace.trace should be the sole public interface for tracing.

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: munir/remove-deprecated-tracing-modules
Commit report: dfc581f
Test service: dd-trace-py

✅ 0 Failed, 130 Passed, 1184 Skipped, 3m 35.05s Total duration (24m 49.84s time saved)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-02-04 06:21:33

Comparing candidate commit dfc581f in PR branch munir/remove-deprecated-tracing-modules with baseline commit e294f47 in branch 3.x-staging.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 326 metrics, 2 unstable metrics.

[erikayasuda]

🎉