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fix: Fixed typescript compilation issue introduced by `4.9.0` (#733)

## Summary
`4.9.0` introduced a typescript compilation issue due to an unused import. This PR fixes that.

## Test plan
All unit, cross browser and full stack compatibility tests pass.

## Issues
"Fixes #732"

1100 of 1236 branches covered (89.0%)

Branch coverage included in aggregate %.

9634 of 9809 relevant lines covered (98.22%)

521.93 hits per line