CRD name changes in cleanup for RHODS install doc

[jbusche]

Small changes needed for crd cleanup in the quickstart docs...
WAS:
schedulingspecs.mcad.ibm.com appwrappers.mcad.ibm.com quotasubtrees.ibm.com

but now is:
quotasubtrees.quota.codeflare.dev
appwrappers.workload.codeflare.dev
schedulingspecs.workload.codeflare.dev

[jbusche]

PR created here: #28

[jbusche]

Shoot, we got a new high vulnerability, patching that one too.

High,Has fix,High severity,Recent vulnerability  CVE-2023-45142 https://nvd.nist.gov/vuln/detail/CVE-2023-45142 Y   fixed in 0.44.0

[jbusche]

To reduce confusion, Anish has asked me to close this PR and issue, as a different install method is required going forward.