Unnecessary `@ts-ignore` of `utils`

### Describe the feature I think this part of code isn't longer necessary: https://github.com/unjs/unimport/blob/e908b928f122e79b1f175eedc484be2f0c17e836/src/utils.ts#L247-L266 TS doesn't report any error anymore. ### Additional information - [ ] Would you be willing to help implement this feature?