Remove climo_land_subsection

[forsyth2]

Summary

Objectives:

• Remove climo_land_subsection, opting to use the existing climo_subsection instead.

Issue resolution:

• Resolves [Bug]: Another parameter checking error: zppy.utils.ParameterNotProvidedError: climo_land_subsection #669 (comment).

Select one: This pull request is...

• a bug fix: increment the patch version
• a small improvement: increment the minor version
• a new feature: increment the minor version
• an incompatible (non-backwards compatible) API change: increment the major version

Small Change

• To merge, I will use "Squash and merge". That is, this change should be a single commit.
• Logic: I have visually inspected the entire pull request myself.
• Pre-commit checks: All the pre-commits checks have passed.

[forsyth2]

@chengzhuzhang I think I can just merge this. Per the discussion at #669 (comment).

[chengzhuzhang]

@forsyth2 please follow through code review before merging. I have some questions for this one.

[forsyth2]

@chengzhuzhang Sorry for the hasty merge. I did not think it required further code review; we had thoroughly discussed the design decision and the removal was simple.

Please let me know if I should revert the commit. What are your questions?

[chengzhuzhang]

Thanks for the PR. I was unsure about this line, and comment. But reading more of the code, I understand how dependencies handles differently for land vs atm, via "climate_section".

[chengzhuzhang]

My configuration file is working now. I can confirm #669 is resolved.

[forsyth2]

Great, thank you @chengzhuzhang!