[release-4.18] DFBUGS-258: Remove auto-mount for default ServiceAccount token

[openshift-cherrypick-robot]

This is an automated cherry-pick of #253

/assign bipuladh

[openshift-ci]

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[bipuladh]

/retitle [release-4.18] DFBUGS-258: Remove auto-mount for default ServiceAccount token

[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references [Jira Issue DFBUGS-258](https://issues.redhat.com//browse/DFBUGS-258), which is invalid:

• expected the bug to target the "odf-4.18" version, but no target version was set

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

In response to this:

This is an automated cherry-pick of #253

/assign bipuladh

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[vbnrh]

/jira refresh

[openshift-ci-robot]

@vbnrh: This pull request references [Jira Issue DFBUGS-258](https://issues.redhat.com//browse/DFBUGS-258), which is invalid:

• expected the bug to target the "odf-4.18" version, but no target version was set

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

In response to this:

/jira refresh

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.