* removed deprecated cli arguments from MO
* removed deprecated options from docs
* Update tools/legacy/benchmark_app/README.md
* removed ConcatOptimization.py, removed deprecated args from unit-tests, renamed tensorflow_use_custom_operations_config -> transformations_config; replaced using or cmd_params.data_type -> cmd_params.compress_to_fp16
* added comment why we set internal 'data_type' always to 'FP32' after introducing 'compress_to_fp16'
* removed openvino_docs_MO_DG_prepare_model_Model_Optimization_Techniques from MO_DevGuide
* returned back --data_type argument
* leftovers from recovering
* returned back to package_BOM.txt; fixed NHWC by default for TF
* recovered --disable_nhwc_to_nchw to MO args
* reverted removing --tensorflow_use_custom_operations_config
Co-authored-by: Roman Kazantsev <roman.kazantsev@intel.com>