Revert "Install vSphere CSI Driver by default"

[deads2k]

This reverts commit 0134c1c.
The vsphere CSI driver is producing large numbers of client requests.
Our vCenter instances cannot support the vsphere csi driver running on
many concurrent CI clusters without starving some vsphere clusters.

We need to revert this PR until the number of connections can be reduced
so that we can keep running multiple concurrent CI clusters.

stop-gap for https://bugzilla.redhat.com/show_bug.cgi?id=2009859 to get back to a functional CI state.

[gnufied]

/lgtm

[bertinatto]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bertinatto, deads2k

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[openshift-ci]

@deads2k: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-vsphere	dccadb9	link	false	/test e2e-vsphere
ci/prow/e2e-azure	dccadb9	link	false	/test e2e-azure

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