Remove-DbaNetworkCertificate - Fix output of RemovedThumbprint (dataplat#7836)

Author: andreasjordan

functions/Remove-DbaNetworkCertificate.ps1

@@ -115,15 +115,15 @@ function Remove-DbaNetworkCertificate {
                 $vsname = $args[3]
 
                 $regPath = "Registry::HKEY_LOCAL_MACHINE\$($regRoot)\MSSQLServer\SuperSocketNetLib"
-                $cert = (Get-ItemProperty -Path $regPath -Name Certificate).Certificate
+                $thumbprint = (Get-ItemProperty -Path $regPath -Name Certificate).Certificate
                 Set-ItemProperty -Path $regPath -Name Certificate -Value $null
 
                 [pscustomobject]@{
                     ComputerName      = $env:COMPUTERNAME
                     InstanceName      = $instanceName
                     SqlInstance       = $vsname
                     ServiceAccount    = $serviceAccount
-                    RemovedThumbprint = $cert.Thumbprint
+                    RemovedThumbprint = $thumbprint
                 }
             }