chore: Remove unused import from createAsync.ts

[caseybaggz]

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• infrastructure changes
• Other... Please describe:

What is the current behavior?

Unused variable of isServer was used in createAsync.ts

What is the new behavior?

Remove unused import of isServer from createAsync.ts.

Other information

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Latest commit: 3d50092

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