Delete duplicate item in __all__

[seamile]

Description

There are two SmallIntField in __all__ of file fields.__init__.py.

How Has This Been Tested?

Only duplicates are removed. This has no effect on functionality.

Checklist:

• My code follows the code style of this project.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codspeed-hq]

CodSpeed Performance Report

Merging #1993 will not alter performance

_{Comparing seamile:patch-1 (fb43b9d) with develop (f660db0)}

Summary

✅ 16 untouched

[henadzit]

I just merged a fix for CI. Can you please rebase your branch?

[coveralls]

Pull Request Test Coverage Report for Build 17905781675

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 89.868%

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Totals
Change from base Build 17257301971:	0.0%
Covered Lines:	6672
Relevant Lines:	7236

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💛 - Coveralls