remove PSAtera, add default injection position

Install-LiquidFilesOutlookAgent.ps1

@@ -1,22 +1,10 @@
 ## Path to the MSI installer
 $MSIURL = 'https://lfupdate.s3.amazonaws.com/clients/outlook/admin_msi/LiquidFiles_Admin_2.0.132.msi'
 
-Install-PSAteraModule
-Import-Module -Name PSAtera
-
-## Get LF host URL from Atera
-LogMsg "Getting LiquidFiles host URL from Atera API"
-Try {
-    Set-AteraAPIKey -APIKey $AteraAPIKey
-    $AteraAgent = Get-AteraAgent
-    $LFHost = $(Get-AteraCustomValue -ObjectType Customer -ObjectId $AteraAgent.CustomerID -FieldName 'LiquidFiles Host URL').ValueAsString
-}
-Catch { LogErr $_.Exception.Message }
-
 ## Set installer args
 If (-not [string]::IsNullOrEmpty($LFHost) ) {
     LogMsg "LiquidFiles target server: ${LFHost}"
-    $INSTALLER_ARGS = "REGKEYSCRIPT=""BaseUrl=${LFHost};"""
+    $INSTALLER_ARGS = "REGKEYSCRIPT=""BaseUrl=${LFHost};InjectPositionDefault=3"""
 }
 Else { $INSTALLER_ARGS = '' }