Update ipsmartproxy.php

Author: NoahDrucker

Diff for: php/ipsmartproxy.php

@@ -7,7 +7,7 @@
   'body' => '{"target":"universal","parse":false,"url":"https://ip.smartproxy.com/"}',
   'headers' => [
     'Accept' => 'application/json',
-    'Authorization' => 'Basic U1B1c2VybmFtZTpTUHBhc3N3b3Jk',
+    'Authorization' => 'Basic AUTH',
     'Content-Type' => 'application/json',
   ],
 ]);