* [PyOV] Legacy IE Python API removal
* clean configs &cmake
* remove ngraph
* remove from yml
* try to fix build
* clean up
* remove old api from python snippets and docs (#170)
* remove old api from python snippets
* pysnippets removal p2
* remove ngraph snippet
* remove old api from docs
* remove migration snippets
* remove compatibility req after refactoring on master
* fix after merge
* fix after merge
* Update docs/articles_en/documentation/openvino_legacy_features/api_2_0_transition_guide/graph_construction.rst
* remove old api from python snippets and docs (#170)
* remove old api from python snippets
* pysnippets removal p2
* remove ngraph snippet
* remove old api from docs
* remove migration snippets
* remove from init
* link update
* link update
* link update
* Update dev_api_references.rst
* Update dev_api_references.rst
* Update apidoc.py
* notebooks links
* notebook link update
* filename update
* link update
* link update api