Support Xcode 14.0 Beta 3.

- Revert to avoid MTLLanguageVersion1_0 on macOS
  (Xcode 14.0 Beta 2 had erroneously indicated support).
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
index 48db2d0..e7a9c24 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
@@ -1695,7 +1695,7 @@
 		case MTLLanguageVersion1_1:
 			setMSLVersion(1, 1);
 			break;
-#if MVK_IOS_OR_TVOS || MVK_XCODE_14
+#if MVK_IOS_OR_TVOS
 		case MTLLanguageVersion1_0:
 			setMSLVersion(1, 0);
 			break;