Update openvino example

[adarshan-intel]

Description of the changes

According to this - #226 (review)

• Docker optimization: Replaced manual Ubuntu setup with OpenVINO CI Dockerfile
  (openvino_cg_dev_2024.6.0.dockerfile) :

  • Use ubuntu:24.04 base image
  • Automate OpenVINO package installation steps
  • Configure environment variables (LD_LIBRARY_PATH, VIRTUAL_ENV)
  • Prebuild samples to ${INTEL_OPENVINO_DIR}/samples/cpp/samples_bin
  • Change entrypoint path

• Model management improvements:

  • Integrated Open Model Zoo for standardized model paths
  • Removed deprecated mo.py script
  • Migrated to omz_downloader and omz_converter tools
  • Added -hint none flag to runtime packages

How to test this PR?

CI

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This change is 

[sahason]

Reviewable status: 0 of 4 files reviewed, 4 unresolved discussions, not enough approvals from maintainers (3 more required), not enough approvals from different teams (2 more required, approved so far: )

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Examples/openvino/ubuntu24.04-openvino.dockerfile line 1 at r1 (raw file):

FROM openvino/ubuntu24_dev:2024.6.0

What are the docker images available for openvino 2024? Is there any image available which is not dev?

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Examples/openvino/ubuntu24.04-openvino.dockerfile line 3 at r1 (raw file):

FROM openvino/ubuntu24_dev:2024.6.0

USER root

Why is this required now?

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Examples/openvino/ubuntu24.04-openvino.dockerfile line 5 at r1 (raw file):

USER root

ENV MODELS="resnet-50-tf bert-large-uncased-whole-word-masking-squad-0001 ssd_mobilenet_v1_coco"

what about the other three models brain-tumor-segmentation-0001, brain-tumor-segmentation-0002 and bert-large-uncased-whole-word-masking-squad-int8-0001?

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Examples/openvino/README.md line 38 at r1 (raw file):

    gsc-ubuntu24.04-openvino -i <image files> \
    -m /model/<public | intel>/<model_dir>/<INT8 | FP16 | FP32>/<model_xml_file> \
    -d CPU -b 1 -t 20 -nstreams 72 -nthreads 72 -nireq 72 -hint none

What is this option '-hint none' about?