Merge pull request #2269 from bnbarham/remove-link-flag

Pass objects to linker flags as is in macro test projects

Author: bnbarham

Sources/SKTestSupport/SwiftPMTestProject.swift

@@ -133,7 +133,7 @@ package class SwiftPMTestProject: MultiFileTestProject {
 
       let linkerFlags = objectFiles.map {
         """
-        "-l", "\($0)",
+        "\($0)",
         """
       }.joined(separator: "\n")