[openvino-dev][MO] Remove (legacy) openvino-dev package and MO tool (#27622)

**Details:** Remove openvino-dev package and MO tool

**Tickets:** 157065, 157071

---------

Signed-off-by: Kazantsev, Roman <roman.kazantsev@intel.com>
Co-authored-by: Andrei Kochin <andrei.kochin@intel.com>

Author: rkazants

.github/workflows/linux_riscv.yml

@@ -139,7 +139,6 @@ jobs:
             git submodule update --init -- ${OPENVINO_REPO}/thirdparty/gflags
             git submodule update --init -- ${OPENVINO_REPO}/thirdparty/telemetry
             git submodule update --init -- ${OPENVINO_REPO}/src/plugins/intel_cpu
-            git submodule update --init -- ${OPENVINO_REPO}/thirdparty/open_model_zoo
             git submodule update --init -- ${OPENVINO_REPO}/thirdparty/flatbuffers/flatbuffers
           popd
 

.gitmodules

@@ -52,9 +52,6 @@
 [submodule "thirdparty/onednn_gpu"]
 	path = src/plugins/intel_gpu/thirdparty/onednn_gpu
 	url = https://github.com/oneapi-src/oneDNN.git
-[submodule "tools/pot/thirdparty/open_model_zoo"]
-	path = thirdparty/open_model_zoo
-	url = https://github.com/openvinotoolkit/open_model_zoo.git
 [submodule "thirdparty/json/nlohmann_json"]
 	path = thirdparty/json/nlohmann_json
 	url = https://github.com/nlohmann/json.git

thirdparty/open_model_zoo

@@ -5,18 +5,10 @@
 # Python tools
 #
 
-# MO
-
-add_subdirectory(mo)
-
 if(ENABLE_PYTHON)
     # Benchmark Tool
     add_subdirectory(benchmark_tool)
 
     # OpenVino Conversion Tool
     add_subdirectory(ovc)
 endif()
-
-# wheel openvino-dev
-
-add_subdirectory(openvino_dev)