Remove resolved bug from CI workflow (#747)

Author: rauhul

.github/workflows/pull_request.yml

@@ -53,5 +53,4 @@ jobs:
     name: Soundness
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
     with:
-      license_header_check_project_name: "Swift Argument Parser"  # bug: https://github.com/swiftlang/github-workflows/issues/76
       shell_check_enabled: false  # bug: https://github.com/apple/swift-argument-parser/issues/703