Revert "darwin.apple_sdk.frameworks.IOSurface: use Libsystem instead of xpc (#161561)"

This reverts commit 92074a45f3.

pkgs/os-specific/darwin/apple-sdk-11.0/frameworks.nix

@@ -89,7 +89,9 @@
   IOBluetooth                      = { inherit CoreBluetooth IOKit; };
   IOBluetoothUI                    = { inherit IOBluetooth; };
   IOKit                            = {};
-  IOSurface                        = { inherit IOKit Libsystem; };
+  # `IOSurface` should depend on `Libsystem` (in place of `xpc`) but this currently causes build
+  # issues due to incompatibility issues between `Libsystem` and `libcxx`.
+  IOSurface                        = { inherit IOKit xpc; };
   IOUSBHost                        = {};
   IdentityLookup                   = {};
   ImageCaptureCore                 = {};