Remove TestData from series-tests test_replace.py
Part of #22550

* Replaced TestData usage in `pandas/tests/series/test_replace.py` with fixtures

- [x] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`

thanks @SaturnFromTitan keep em coming. If these are smallish changes you can group multiple in one PR. We just don't want to have really large PRs