[Bugfix] remove sudo from kubectl/install make command and small refactor around os/arch

[kpango]

Description:

Fixed CI Container build failure due to use of sudo in kubectl/install in the Makefile.
And refactored redundant OS/Arch switches.

Related Issue:

Versions:

• Go Version: 1.20.4
• Docker Version: 20.10.8
• Kubernetes Version: 1.27.1
• NGT Version: 2.0.11

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• I have checked open Pull Requests for the similar feature or fixes?

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[ykadowak]

Thanks for the catch. Didn't realize it was failing.

I think we should stop DeepSource: Test coverage for now so that we realize some tests are actually failing.

[kpango]

To disabling the DeepSource-TestCoverage, we have to
edit https://github.com/vdaas/vald/blob/main/.deepsource.toml#L70.
Is it okay to separate it from this PR?

[ykadowak]

To disabling the DeepSource-TestCoverage, we have to edit https://github.com/vdaas/vald/blob/main/.deepsource.toml#L70. Is it okay to separate it from this PR?

👍

[kpango]

@ykadowak #2038