1173 tidy dymmy climate data in conftest

[vgro]

Remove stale variables.

Fixes #173

Type of change

• New feature (non-breaking change which adds functionality)
• Optimization (back-end change that speeds up the code)
• Bug fix (non-breaking change which fixes an issue)

Key checklist

• Make sure you've run the pre-commit checks: $ pre-commit run -a
• All tests pass: $ poetry run pytest

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.03%. Comparing base (be081cc) to head (1b5019f).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1255   +/-   ##
========================================
  Coverage    95.03%   95.03%           
========================================
  Files           71       71           
  Lines         7276     7276           
========================================
  Hits          6915     6915           
  Misses         361      361           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[jacobcook1995]

LGTM!