docs(tracing): remove patch_all from basic usage docs [3.0]

[mabdinur]

Resolves: #11865

• Removes documentation for ddtrace.patch_all(...) from basic usage. We should encourage the use of ddtrace.auto instead.
• For fine grained control over enabling/disabling integrations DD_PATCH_MODULES and DD_TRACE_<Integration>_ENABLED should be used.

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

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/_monkey.py                                                      @DataDog/apm-core-python
docs/basic_usage.rst                                                    @DataDog/python-guild
docs/index.rst                                                          @DataDog/python-guild
docs/installation_quickstart.rst                                        @DataDog/python-guild

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: munir/improve-docs-for-ddtrace-auto
Commit report: 752b394
Test service: dd-trace-py

✅ 0 Failed, 87 Passed, 1468 Skipped, 4m 2.97s Total duration (35m 55.05s time saved)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-01-12 18:38:20

Comparing candidate commit 752b394 in PR branch munir/improve-docs-for-ddtrace-auto with baseline commit a58f139 in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 394 metrics, 2 unstable metrics.

[wantsui]

If the goal of this update is to encourage ddtrace.auto usage, the installation quickstart page currently shows an example of patch_all() too.

dd-trace-py/docs/installation_quickstart.rst

Lines 63 to 70 in 232e2eb

	:py:func:`ddtrace.patch_all` can be used to configure the tracer::
	from ddtrace import config, patch_all
	config.env = "dev" # the environment the application is in
	config.service = "app" # name of your application
	config.version = "0.1" # version of your application
	patch_all()