Revert missing openvino dependency in exportable code

Signed-off-by: Songki Choi <[email protected]>

Author: Songki Choi

otx/api/usecases/exportable_code/demo/requirements.txt

@@ -1,3 +1,4 @@
+openvino==2022.3.0
 openmodelzoo-modelapi==2022.3.0
 otx==1.1.0
 numpy>=1.21.0,<=1.23.5  # np.bool was removed in 1.24.0 which was used in openvino runtime