[5.10 🍒][ExplicitModuleBuilds][Tests] Remove test of prior approach at handling dependency PCH#1464

artemcm merged 1 commit intorelease/5.10swiftlang/swift-driver:release/5.10from

510RemoveUnusedBridgingHeaderApproachTestswiftlang/swift-driver:510RemoveUnusedBridgingHeaderApproachTestCopy head branch name to clipboard