Fix review comments

docs/OV_Runtime_UG/preprocessing_usecase_save.md

@@ -35,7 +35,6 @@ Let's consider the example, there is an original `ONNX` model which takes one `f
 @endsphinxdirective
 
 - Preprocessing & Saving to IR code
-
 @sphinxdirective
 
 .. tab:: C++

docs/snippets/ov_preprocessing.cpp

@@ -200,10 +200,10 @@ void save_example() {
 void load_aftersave_example() {
  //! [ov:preprocess:save_load]
  ov::Core core;
- core.set_property({{CONFIG_KEY(CACHE_DIR), "/path/to/cache/dir"}});
+ core.set_property(ov::cache_dir("/path/to/cache/dir"));
 
  // In case that no preprocessing is needed anymore, we can load model on target device directly
  // With cached model available, it will also save some time on reading original model
  ov::CompiledModel compiled_model = core.compile_model("/path/to/some_model_saved.xml", "CPU");
  //! [ov:preprocess:save_load]
-}
+}

docs/snippets/ov_preprocessing.py

@@ -173,7 +173,7 @@ ppp.output("result_image").postprocess()\
 # ! [ov:preprocess:save_headers]
 from openvino.preprocess import PrePostProcessor, ColorFormat, ResizeAlgorithm
 from openvino.runtime import Core, Layout, Type, set_batch
-from openvino.offline_transformations import serialize
+from openvino.runtime.passes import Manager
 # ! [ov:preprocess:save_headers]
 
 # ! [ov:preprocess:save]
@@ -210,8 +210,11 @@ model = ppp.build()
 set_batch(model, 2)
 
 # ======== Step 3: Save the model ================
-serialize(model, '/path/to/some_model_saved.xml', '/path/to/some_model_saved.bin')
-
+pass_manager = Manager()
+pass_manager.register_pass(pass_name="Serialize",
+                           xml_path='/path/to/some_model_saved.xml',
+                           bin_path='/path/to/some_model_saved.bin')
+pass_manager.run_passes(model)
 # ! [ov:preprocess:save]
 
 # ! [ov:preprocess:save_load]