🌱 Remove external cloud-provider flag from apiserver as its removed in k8s v1.33

[Karthik-K-N]

What this PR does / why we need it:

Since the flag is not supported, setting this flag in v1.33 leads to apiserver not starting as unknown flag error.

K8s reference: kubernetes/kubernetes#130162

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes # part of #2416

Special notes for your reviewer:

/area provider/ibmcloud

1. Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

Release note:

Remove apiserver cloud-provider: external flag as its removed in k8s v1.33

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[Karthik-K-N]

/hold for pending tasks in parent issue

[Karthik-K-N]

/cc @arshadd-b Please take a look.

[Amulyam24]

/hold for pending tasks in parent issue

@Karthik-K-N, this can be merged right and the remaining tasks can be taken up in a new PR?

or would this be a breaking change with v1.32 which are the current CI images?

[Karthik-K-N]

/hold for pending tasks in parent issue

@Karthik-K-N, this can be merged right and the remaining tasks can be taken up in a new PR?

or would this be a breaking change with v1.32 which are the current CI images?

I think once the 1.33 image is imported into CI, we can merge this. What do you think?

[Amulyam24]

I think once the 1.33 image is imported into CI, we can merge this. What do you think?

sure, I will upload the new image in the CI workspaces and update here.

[Amulyam24]

Image imported to the CI workspaces and PR to update CI is up - #2435

/unhold

[Prajyot-Parab]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Karthik-K-N, Prajyot-Parab

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