Removing unwanted product connectors in SCOM 2012 R2 and SCOM 2016

#===================================================
#
#  Delete a SCOM product connector in SCOM 2012 R2 and SCOM 2016 
#
#  v1.0
#
#===================================================

#===================================================
# Constants section - make changes here
$connectorName = "foo.connector*"  #This can be a full name or a partial name match with a wildcard (*) - so take great care here
$servername="localhost"
#===================================================

$mg = Get-SCOMManagementGroup -ComputerName $servername
$admin = $mg.GetConnectorFrameworkAdministration()
$connectors = $admin.GetMonitoringConnectors()
$subs = $admin.GetConnectorSubscriptions()

$ToBeDeletedNames = @()
$ToBeDeletedList = $admin.GetMonitoringConnectors() | where {$_.Name -like "$connectorname"}
FOREACH ($ToBeDeletedConn in $ToBeDeletedList)
{
  [array]$ToBeDeletedNames += "`n" + $ToBeDeletedConn.Displayname
}
Write-Host "About to delete the following connectors: " $ToBeDeletedNames
Write-Host "Press Y to continue, or any other key to stop"
$response = Read-Host
if ( $response -ne "Y" )
{
Write-Host "Cancelling"
exit 
}


########################################################################################## 
# Delete a connector’s Subscription 
########################################################################################## 
function Delete-Subscription([String] $name) 
{
  foreach($testconnector in $connectors) 
  { 
    if($testconnector.Name -match $name) 
    { 
      $connector = Get-SCOMConnector -id $testconnector.id
      write-host "Found match on connector:" $connector.Displayname
     
      foreach($sub in $subs) 
      { 
        if($sub.MonitoringConnectorId -eq $connector.id) 
        { 
          write-host "Deleting subscription:" $sub.DisplayName "with ID" $sub.MonitoringConnectorId
          $admin.DeleteConnectorSubscription($admin.GetConnectorSubscription($sub.Id))
        } 
      }
    } 
  } 
} 

########################################################################################## 
# Removes a connector with the specified name. 
########################################################################################## 
function Remove-Connector([String] $name) 
{ 
  $testConnector = $null
  foreach($connector in $connectors) 
  { 
    IF ($connector.Name -like $name) 
    { 
      $testConnector = Get-SCOMConnector -id $connector.id
      write-host "Found match on connector:" $connector.Displayname
      IF ($testConnector -ne $null)
      { 
        IF ($testConnector.Initialized) 
        { 
          Write-Host "Found connector is initialized, disconnecting all alerts subscribe to the connector"
          FOREACH ($alert in $testConnector.GetMonitoringAlerts()) 
          {
            $alert.ConnectorId = $null;
            $alert.Update("Delete Connector"); 
          } 
          Write-Host "Setting connector to UnInitialized"
          $testConnector.Uninitialize() 
        } 
        Write-Host "Deleting connector:" $testConnector.DisplayName "with ID" $testConnector.Id
        $connectorIdForTest = $admin.Cleanup($testConnector) 
      } 
    } 
  } 
} 

write-host "Starting Delete-Subscription function" 
Delete-Subscription $connectorName 
write-host "Starting Remove-Connector function" 
Remove-Connector $connectorName