Console-2951: Prune unused styles from getting started card

[sg00dwin]

No longer needed since #9532 has merged.

[rhamilto]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rhamilto, sg00dwin

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[rhamilto]

/label px-approved docs-approved

as this is tech debt without the need for either approvals

/assign @yapei for QE approval

[openshift-ci]

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In response to this:

/label px-approved docs-approved

as this is tech debt without

/assign @yapei for QE approval

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[yapei]

/label qe-approved