[AMD] Enable passing test_reduce_layouts (#7126)

Author: zwu-2025

python/test/unit/language/test_core.py

@@ -3078,12 +3078,8 @@ def test_reduce_layouts(M, N, src_layout, axis, epilogue_kind, dtype_str, add_ov
     if isinstance(src_layout,
                   (MfmaLayout, MmaLayout)) and (M < src_layout.instr_shape[0] or N < src_layout.instr_shape[1]):
         pytest.skip("Skipping because tensor shape is smaller than M(f)maLayout instr_shape")
-    if is_hip() and isinstance(src_layout, MfmaLayout) and ((M, N) == (128, 128)):
-        pytest.skip("Skipping test because it runs out of shared memory")
     if reduce_op == "sum" and dtype_str == "float16" and M * N > 1024:
         pytest.skip("Skipping sum reduction on float16 due to accuracy issues")
-    if is_hip() and isinstance(src_layout, LinearLayout):
-        pytest.skip("FIXME: LinearLayout not supported on HIP")
 
     if isinstance(src_layout, MmaLayout) and src_layout.version == 3:
         src_layout.instr_shape[2] = 16 if dtype_str == "float16" else 8