Remove METRICS_PORT container arg from openvino Containerfile

[LaVLaS]

Description

Removes the METRICS_PORT argument from the openvino containerfile since it is not referenced anywhere in the build process and the openvino metrics endpoint is served on the rest api port

How Has This Been Tested?

You can build this locally with any model format supported by openvino:

$ aws s3 cp --recursive s3://rhoai-edge/example-models/fraud-detection/ /tmp/fraud-detection

$ podman build --build-arg MODEL_NAME=fraud-detection -f pipelines/containerfiles/Containerfile.openvino.mlserver.mlflow --tag openvino-fraud-detection /tmp/fraud-detection/1/

$ podman run -d --rm -p 8080:8080 localhost/openvino-fraud-detection:latest

$ curl localhost:8080/metrics
# HELP ovms_requests_success Number of successful requests to a model or a DAG.             
# TYPE ovms_requests_success counter                                                                           
ovms_requests_success{api="KServe",interface="REST",method="ModelReady",name="fraud-detection"} 0
ovms_requests_success{api="KServe",interface="gRPC",method="ModelReady",name="fraud-detection"} 0
ovms_requests_success{api="KServe",interface="gRPC",method="ModelInfer",name="fraud-detection",version="1"} 0

Merge criteria:

Model builds successfully locally and in the pipelines with metrics enabled

• [ ] The commits are squashed in a cohesive manner and have meaningful messages.
• [ ] Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• [ ] The developer has manually tested the changes and verified that the changes work

[MarianMacik]

/retest

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: grdryn

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