chore(deps-dev): remove pymysql from requirements (#1447)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: george <george.haff@gmail.com>

Author: dependabot[bot]

requirements.dev.txt

@@ -13,7 +13,6 @@ mypy>=0.790
 mysql-connector==2.2.9
 numpy==1.22.4
 pycountry==22.3.5
-pymysql==1.0.2
 pytest==7.2.0
 pytest-check==1.3.0
 sas7bdat==2.2.3