This is a clone of issue OCPBUGS-11493. The following is the description of the original issue:
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Description of problem:
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vsphereStorageDriver validation error message here is odd when I change LegacyDeprecatedInTreeDriver to "" . I get:

Invalid value: "string": VSphereStorageDriver can not be changed once it is set to CSIWithMigrationDriver

There is no CSIWithMigrationDriver either in the old or new Storage CR.
 
Version-Release number of selected component (if applicable):

4.13 with this PR: https://github.com/openshift/api/pull/1433