chore: fix typo in license checker's ignored-packages config

[erisu]

Platforms affected

n/a

Motivation and Context

Fixed a typo in license checker config

Description

removed extra @

Testing

n/a

Checklist

• [ ] I've run the tests to see all new and existing tests pass
• [ ] I added automated test coverage as appropriate for this change
• [ ] Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• [ ] If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• [ ] I've updated the documentation if necessary

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.37%. Comparing base (dd3eca8) to head (2d7f9f9).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #204 +/- ## ======================================= Coverage 88.37% 88.37% ======================================= Files 20 20 Lines 1144 1144 ======================================= Hits 1011 1011 Misses 133 133 ```

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