[jsonbailey]

Summary

Remove five entries from the docs dependency group that were copied from the python-server-sdk dependency list. Nothing in this repo imports them.

• expiringdict, pyrfc3339, semver, urllib3: not imported by ld_openfeature, tests, or docs/conf.py. They are runtime dependencies of launchdarkly-server-sdk, and the docs build (make docs and .readthedocs.yml) runs poetry install --with docs, which installs the main dependencies too. So they still arrive transitively.
• jsonpickle: not imported anywhere here and not required by any dependency.

Verified with make test, make lint, and make docs.

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Note

Overview
Removes five unused packages from the optional [tool.poetry.group.docs.dependencies] list in pyproject.toml: expiringdict, pyrfc3339, jsonpickle, semver, and urllib3.

They were redundant with the main SDK stack—nothing in this repo imports them directly, and the docs install path still pulls in what LaunchDarkly needs via launchdarkly-server-sdk when you run poetry install --with docs. The docs group now only declares Sphinx, sphinx-rtd-theme, and jinja2.

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