fix: resolve JavaScript lint errors

[nathanaelmbale]

Resolves #11958.

Description

What is the purpose of this pull request?
This pull request:

• Removes unexpected empty line between require statements in @stdlib/blas/base/sger test file
• Replaces new Array() constructor with an array literal in @stdlib/assert/is-readable-property benchmark file

Related Issues

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This pull request has the following related issues:

• Fix JavaScript lint errors #11958

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No.

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• Test/benchmark generation
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Disclosure

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I consulted Claude to help me understand the lint errors and the codebase, but the fixes were applied manually by myself.

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[GeoDaoyu]

array length

[GeoDaoyu]

Changing new Array(100) to an empty array [] changes the test behavior significantly. With an empty array, all indices are non-existent properties, so isReadableProperty() will always return false. This doesn't reflect real-world usage and distorts the benchmark results. Should we keep the original length?