highway: clean up some unused parameters

These parameters are unreferenced, and when building with `-Werror` and a newer
compiler can cause build failures due to the unused parameters.  Workaround the
issue by removing the names of the parameters.

PiperOrigin-RevId: 430969468

hwy/ops/x86_128-inl.h

@@ -1954,13 +1954,13 @@ HWY_API void BlendedStore(Vec128<T, N> v, Mask128<T, N> m,
 
 template <size_t N>
 HWY_API void BlendedStore(Vec128<float, N> v, Mask128<float, N> m,
-                          Simd<float, N, 0> d, float* HWY_RESTRICT p) {
+                          Simd<float, N, 0>, float* HWY_RESTRICT p) {
   _mm_mask_storeu_ps(p, m.raw, v.raw);
 }
 
 template <size_t N>
 HWY_API void BlendedStore(Vec128<double, N> v, Mask128<double, N> m,
-                          Simd<double, N, 0> d, double* HWY_RESTRICT p) {
+                          Simd<double, N, 0>, double* HWY_RESTRICT p) {
   _mm_mask_storeu_pd(p, m.raw, v.raw);
 }