moved the $bw logout above the remove-variable so it works now. Created new signature

bitwardenBackup.ps1

@@ -145,8 +145,7 @@ if ($zip -or $encrypt) {
         & $sdelete -p 25 "$PSScriptRoot\$zipFilename"
     }
 }
-# remove all the variables
-Remove-Variable -Name * -ErrorAction SilentlyContinue
 # logout of bitwaren to ensure the session is destroyed
 & $bw logout
-exit 0
+# remove all the variables
+Remove-Variable -Name * -ErrorAction SilentlyContinue