Revert "Add stable parameter for topk" (#33646)

Reverts #33199

Ticket: 179141

Author: dorloff

src/frontends/onnx/frontend/src/op/topk.cpp

@@ -38,8 +38,7 @@ ov::OutputVector topk(const ov::frontend::onnx::Node& node) {
                                                                   axis,
                                                                   v11::TopK::Mode::MAX,
                                                                   v11::TopK::SortType::SORT_VALUES,
-                                                                  ov::element::i64,
-                                                                  true);
+                                                                  ov::element::i64);
 
     return {top_k->output(0), top_k->output(1)};
 }
@@ -57,8 +56,7 @@ ov::OutputVector topk(const ov::frontend::onnx::Node& node) {
                                                                   axis,
                                                                   v11::TopK::Mode::MAX,
                                                                   v11::TopK::SortType::SORT_VALUES,
-                                                                  ov::element::i64,
-                                                                  true);
+                                                                  ov::element::i64);
 
     return {top_k->output(0), top_k->output(1)};
 }
@@ -78,13 +76,11 @@ ov::OutputVector topk(const ov::frontend::onnx::Node& node) {
 
     // Map attribute values to OpenVINO enums
     const auto sort_type = sorted ? v11::TopK::SortType::SORT_VALUES : v11::TopK::SortType::NONE;
-    const auto stable_sort = (sort_type != v11::TopK::SortType::NONE);
 
     const auto compute_max = static_cast<bool>(largest);
     const auto mode = compute_max ? v11::TopK::Mode::MAX : v11::TopK::Mode::MIN;
 
-    std::shared_ptr<ov::Node> top_k =
-        std::make_shared<v11::TopK>(data, k, axis, mode, sort_type, ov::element::i64, stable_sort);
+    std::shared_ptr<ov::Node> top_k = std::make_shared<v11::TopK>(data, k, axis, mode, sort_type, ov::element::i64);
 
     return {top_k->output(0), top_k->output(1)};
 }

src/frontends/onnx/tests/models/top_3_all_same.prototxt

@@ -2907,18 +2907,6 @@ OPENVINO_TEST(${BACKEND_NAME}, onnx_model_top_k_repeating_unsorted) {
     test_case.run();
 }
 
-OPENVINO_TEST(${BACKEND_NAME}, onnx_model_top_3_all_same) {
-    auto model = convert_model("top_3_all_same.onnx");
-
-    auto test_case = ov::test::TestCase(model, s_device);
-    test_case.add_input<float>(Shape{2, 4}, {0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f});
-    test_case.add_input<int64_t>({3});
-
-    test_case.add_expected_output<float>(Shape{2, 3}, {0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f});
-    test_case.add_expected_output<int64_t>(Shape{2, 3}, {0, 1, 2, 0, 1, 2});
-    test_case.run();
-}
-
 OPENVINO_TEST(${BACKEND_NAME}, onnx_model_acosh) {
     auto model = convert_model("acosh.onnx");