cleanup

Author: heckj

Package.swift

@@ -24,6 +24,7 @@ let package = Package(
             url: "https://github.com/apple/swift-collections.git",
             .upToNextMajor(from: "1.0.0")
         ),
+        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.1.0"),
     ],
     targets: [
         .target(
@@ -48,13 +49,6 @@ let package = Package(
     ]
 )
 
-#if swift(>=5.6)
-    // plugin support is only available for Swift 5.6 and later
-    package.dependencies += [
-        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.1.0"),
-    ]
-#endif
-
 // Checking macOS build w/ Xcode 14 beta
 // xcodebuild clean test -scheme SwiftVizScale-Package -destination 'platform=macOS,arch=arm64'