fix: move Telemetry initialization out of ddtrace/init.py #44899

Job	Run time
test_unit (dd-lib-python-init-test-django)	3m 41s
test_unit (dd-lib-python-init-test-django-gunicorn)	3m 27s
test_unit (dd-lib-python-init-test-django-gunicorn-alpine)	3m 41s
test_unit (dd-lib-python-init-test-django-uvicorn)	3m 31s
test_unit (dd-lib-python-init-test-django-no-perms)	3m 39s
test_unit (dd-lib-python-init-test-django-pre-installed)	3m 37s
test_unit (dd-lib-python-init-test-django-unsupported-python)	3m 58s
build-and-publish-test-image / wait_for_package	7s
build-and-publish-test-image / build_push / build_push	12m 19s
test-runner-test (dd-lib-python-init-test-django)	4m 37s
test-runner-test (dd-lib-python-init-test-django-gunicorn)	4m 25s
test-runner-test (dd-lib-python-init-test-django-uvicorn)	4m 23s
	51m 25s

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