openvino-dev return opencv-python back (#12957)

tools/benchmark_tool/requirements.txt

@@ -1,3 +1,4 @@
 py-cpuinfo>=7.0.0
 numpy>=1.16.6,<=1.23.1
-progress>=1.5
+progress>=1.5
+opencv-python>=4.5

tools/benchmark_tool/setup.py

@@ -8,9 +8,7 @@ Use this script to create a wheel with OpenVINO™ Python* tools:
 
 $ python setup.py sdist bdist_wheel
 """
-import importlib
 import pkg_resources
-import warnings
 from setuptools import setup, find_packages
 
 with open('README.md', 'r', encoding='utf-8') as f:
@@ -23,14 +21,6 @@ with open('requirements.txt') as requirements_txt:
         in pkg_resources.parse_requirements(requirements_txt)
     ]
 
-try:
-    importlib.import_module('cv2')
-except ImportError as opencv_import_error:
-    warnings.warn(
-            "Problem with cv2 import: \n{}\n opencv-python-headless will be added to requirements".format(opencv_import_error)
-    )
-    reqs.append('opencv-python-headless==4.5.*')
-
 setup(
     name='benchmark_tool',
     version='0.0.0',