Fix: Correct netperf ReplicaSet flags in launch.go to allow pod startup

[merdincz]

What type of PR is this?

/kind bug

What this PR does / why we need it:

The launch.go file currently attempts to create a ReplicaSet for the netperf application using the --testFrom and --testTo flags. These flags are not recognized by the netperf image, causing an error that prevents the Pod from starting successfully.

This PR removes the unsupported --testFrom and --testTo flags from the ReplicaSet definition. With this change, the netperf Pods can start correctly and achieve a healthy state.

Which issue(s) this PR fixes:

Fixes #2452

Special notes for your reviewer:

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: merdincz (c50deed)

[k8s-ci-robot]

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This pull-request has been approved by: merdincz
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[vkhomchakim]

It is not code issue. It is caused by old, not rebuild, image which used by default sirot/netperf-latest