optimize(infra): remove tautological condition

[shawfix]

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optimize(infra): remove tautological condition

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optimize(infra): 移除一个条件始终为true的if分支

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[fanlv]

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@shawfix 这个点进去确认下。

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
backend/infra/impl/storage/s3/s3.go	0.00%	7 Missing ⚠️

Files with missing lines	Coverage Δ
backend/infra/impl/storage/s3/s3.go	0.00% <0.00%> (ø)

... and 8 files with indirect coverage changes

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