[OpenVINO-EP] Remove support for 2020.4 (#7580)
* [OpenVINO-EP] Remove support for 2020.4
Signed-off-by: MaajidKhan <n.maajidkhan@gmail.com>
* Minor changes added
Signed-off-by: MaajidKhan <n.maajidkhan@gmail.com>
* Minor changes added
Signed-off-by: MaajidKhan <n.maajidkhan@gmail.com>
Co-authored-by: suryasidd <surya.siddharth.pemmaraju@intel.com>
