Remove redundant __has_include check in policy test

[Copilot]

Addresses feedback on PR #183 regarding unnecessary conditional compilation in tests/AMSlib/wf/policy.cpp.

The file unconditionally includes wf/layout_transform.hpp at line 11, making the #if __has_include("wf/layout_transform.hpp") guard around the DummyLayout class methods redundant—compilation would have already failed if the header was unavailable.

Changes:

• Removed #if __has_include("wf/layout_transform.hpp") / #endif wrapper from DummyLayout::pack() and DummyLayout::unpack() methods

class DummyLayout final : public LayoutTransform
{
public:
  const char* name() const noexcept override { return "DummyLayout"; }

-  // Only needed if you included the real LayoutTransform interface.
-#if __has_include("wf/layout_transform.hpp")
  AMSExpected<IndexMap> pack(const TensorBundle&,
                             const TensorBundle&,
                             at::Tensor&) override
  {
    return IndexMap{};
  }
  AMSStatus unpack(const torch::jit::IValue&,
                   TensorBundle&,
                   TensorBundle&,
                   std::optional<at::Tensor>&) override
  {
    return {};
  }
-#endif
};

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