Tech task: remove GS/NUcore maintenance group from codeowners (#2322)
Tech task: remove GS/NUcore maintenance group from codeowners (#2322)

# Release Notes

Tech task: remove GS/NUcore maintenance group from codeowners so it's just our internal team now.

# Additional Context

@giladshanan you should now be part of the tablexi/nucore group so you should get tagged automatically on any new PRs once this is merged.

tablexi/nucore-open,tablexi/nucore-open,tablexi/nucore-open,tablexi/nucore-open