Remove unsafeFlags linker setting

Author: ddaddy

Package.swift

@@ -30,10 +30,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "DJSwiftHelpers",
-            path: "Sources/Common/",
-            linkerSettings: [
-                .unsafeFlags(["-Xlinker", "-no_application_extension"])
-            ]
+            path: "Sources/Common/"
         ),
         .target(
             name: "DJSwiftHelpers_UIKit",