tests: keep only I32 case for COUNT_EQUAL as requested

Author: yael-works

tests/test-backend-ops.cpp

@@ -2236,7 +2236,6 @@ struct test_count_equal : public test_case {
     }
 };
 
-
 // GGML_OP_REPEAT
 struct test_repeat : public test_case {
     const ggml_type type;
@@ -5941,9 +5940,6 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_eval() {
 
     test_cases.emplace_back(new test_count_equal(GGML_TYPE_F32, {4,  500, 1, 1}));
     test_cases.emplace_back(new test_count_equal(GGML_TYPE_F32, {4, 5000, 1, 1}));
-    test_cases.emplace_back(new test_count_equal(GGML_TYPE_F16, { 256, 32, 1, 1}));
-    test_cases.emplace_back(new test_count_equal(GGML_TYPE_I32, { 512, 16, 1, 1}));
-    test_cases.emplace_back(new test_count_equal(GGML_TYPE_I16, { 512, 16, 1, 1}));
 
     test_cases.emplace_back(new test_argmax(GGML_TYPE_F32, {32,    1, 1, 1}));
     test_cases.emplace_back(new test_argmax(GGML_TYPE_F32, {32,  513, 1, 1}));