update rm deadcode

app/Support/PowerShellEscaper.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Support;
+
+final class PowerShellEscaper
+{
+    public static function singleQuote(string $value): string
+    {
+        return "'" . str_replace("'", "''", $value) . "'";
+    }
+
+    public static function encodedCommand(string $script): string
+    {
+        return base64_encode(mb_convert_encoding($script, 'UTF-16LE', 'UTF-8'));
+    }
+}