SwiftBuildSupport: Revert patch required when we were using '#if canImport(SwiftBuild)' checks#8957

pmattos merged 1 commit intomainswiftlang/swift-package-manager:mainfrom

canImport-SwiftBuild-cleanupswiftlang/swift-package-manager:canImport-SwiftBuild-cleanupCopy head branch name to clipboard