So I had a bit of a play around with your script and I have converted it into a WS1 profile if anyone wanted to deploy it. Unlike your script, I don't delete anything but I just rename the 'UninstallString' to "_UninstallString' and that removes the option for it to be removed from Add Remove Programs but can be restored at any time if needed (Sorry that its long but converting to Base64 does that)
Install
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<characteristic type="com.airwatch.winrt.powershellcommand" uuid="81b348e9-ead6-4976-875c-0f4c92bb6ca4">
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</characteristic>
</wap-provisioningdoc>
Remove
<wap-provisioningdoc id="f970447c-6190-445c-bda4-f17c611e6a39" name="customprofile">
<characteristic type="com.airwatch.winrt.powershellcommand" uuid="7d2421f9-8f1b-46b6-9053-0b0c02637c1d">
<parm name="PowershellCommand" value="&$env:SystemRoot\sysnative\WindowsPowerShell\v1.0\powershell.exe -EncodedCommand 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" />
</characteristic>
</wap-provisioningdoc>
The custom setting needs to target the 'Workspace ONE Intelligent Hub' and not be made atomic.