Fix Typescript errors in index.d.ts

[kristerkari]

Description

Fixes two typescript errors from index.d.ts file.

Changes

• Remove unused import
• Add undefined to RecordMetadata index signature

Errors reported by Typescript

Output from Typescript compiler:

Unused import:

Index signature not including undefined:

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have checked my code and corrected any misspellings

ping @GGGava @RuanAzevedo

[GGGava]

Thank you 😄

[kristerkari]

@GGGava any chance for a new release with the recent fixes included?