[ModuleInterface] Ignore SDKSettings.json in "sourceFiles"

Author: jansvoboda11

test/ModuleInterface/clang-args-transitive-availability.swift

@@ -10,8 +10,6 @@
 // RUN: %validate-json %t/deps.json &>/dev/null
 // RUN: %FileCheck %s < %t/deps.json
 
-// REQUIRES: rdar151740686
-
 import ImportsMacroSpecificClangModule
 
 // CHECK:      "directDependencies": [
@@ -54,7 +52,7 @@ import ImportsMacroSpecificClangModule
 // CHECK-NEXT:      "sourceFiles": [
 // CHECK-DAG:        "{{.*}}OnlyWithMacro.h"
 // CHECK-DAG:        "{{.*}}module.modulemap"
-// CHECK-NEXT:      ],
+// CHECK:           ],
 // CHECK-NEXT:      "directDependencies": [
 // CHECK-NEXT:      ],
 // CHECK-NEXT:      "linkLibraries": [