642 abiotic simple model add simple wind profile

[vgro]

The wind variable was missing from the simple model, therefore added with this PR

There were also a few variables hanging around that were not used, so I tidied that a bit.

Fixes #642

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

Further checks

• Code is commented, particularly in hard-to-understand areas
• Tests added that prove fix is effective or that feature works
• Relevant documentation reviewed and updated

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.63%. Comparing base (f72ecb4) to head (c8db6c5).
⚠️ Report is 2885 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #643   +/-   ##
========================================
  Coverage    94.62%   94.63%           
========================================
  Files           73       73           
  Lines         4617     4619    +2     
========================================
+ Hits          4369     4371    +2     
  Misses         248      248           

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[davidorme]

Looks good to me.