calling script cvt convert model in cpp source codes are not allowed. (#130)

remove them.

Signed-off-by: xipingya <xiping.yan@intel.com>

Author: xipingyan

src/cpp/src/tokenizer/tokenizer_impl.cpp

@@ -6,9 +6,6 @@
 #include "sampling/structured_output/structured_output_controller.hpp"
 #include "openvino/genai/version.hpp"
 
-#include <iostream>
-#include <algorithm>
-
 namespace ov {
 namespace genai {
 
@@ -334,49 +331,6 @@ void Tokenizer::TokenizerImpl::setup_tokenizer(const std::filesystem::path& mode
         setup_tokenizer(std::make_pair(ov_tokenizer, ov_detokenizer), filtered_properties);
         return;
     }
-    
-    // Check if we need to convert a HuggingFace tokenizer.
-    // Support both tokenizer.json (modern) and vocab.json+merges.txt (GPT2-style)
-    bool has_tokenizer_json = std::filesystem::exists(models_path / "tokenizer.json");
-    bool has_gpt2_tokenizer = std::filesystem::exists(models_path / "vocab.json") && 
-                              std::filesystem::exists(models_path / "merges.txt");
-    bool has_hf_tokenizer = has_tokenizer_json || has_gpt2_tokenizer;
-    bool has_ov_tokenizer = std::filesystem::exists(models_path / "openvino_tokenizer.xml");
-    bool has_ov_detokenizer = std::filesystem::exists(models_path / "openvino_detokenizer.xml");
-    bool needs_tokenizer_conversion = has_hf_tokenizer && (!has_ov_tokenizer || !has_ov_detokenizer);
-
-    if (needs_tokenizer_conversion) {
-        // Convert HuggingFace tokenizer to OpenVINO format
-        std::cout << "[Tokenizer] Converting HuggingFace tokenizer to OpenVINO format..." << std::endl;
-        
-        std::string model_dir_str = models_path.string();
-        std::string tokenizer_path_str = (models_path / "openvino_tokenizer.xml").string();
-        std::string detokenizer_path_str = (models_path / "openvino_detokenizer.xml").string();
-        
-        // Replace backslashes with forward slashes for Python compatibility
-        std::replace(model_dir_str.begin(), model_dir_str.end(), '\\', '/');
-        std::replace(tokenizer_path_str.begin(), tokenizer_path_str.end(), '\\', '/');
-        std::replace(detokenizer_path_str.begin(), detokenizer_path_str.end(), '\\', '/');
-        
-        std::string python_cmd = 
-            "python -c \""
-            "from transformers import AutoTokenizer; "
-            "from openvino_tokenizers import convert_tokenizer; "
-            "from openvino import save_model; "
-            "t = AutoTokenizer.from_pretrained('" + model_dir_str + "'); "
-            "tok, detok = convert_tokenizer(t, with_detokenizer=True); "
-            "save_model(tok, '" + tokenizer_path_str + "'); "
-            "save_model(detok, '" + detokenizer_path_str + "'); "
-            "print('Tokenizer conversion successful')\"";
-        
-        int result = std::system(python_cmd.c_str());
-        if (result != 0) {
-            std::cerr << "[Tokenizer] Warning: Tokenizer conversion failed" << std::endl;
-        } else {
-            std::cout << "[Tokenizer] Tokenizer conversion completed successfully" << std::endl;
-        }
-    }
-    
     if (std::filesystem::exists(models_path / "openvino_tokenizer.xml")) {
         ov_tokenizer = core.read_model(models_path / "openvino_tokenizer.xml", {}, filtered_properties);
     }