Delete unused variable

Author: jvazquez-r7

modules/exploits/unix/webapp/wp_downloadmanager_upload.rb

@@ -48,7 +48,6 @@ def exploit
 
       data = Rex::MIME::Message.new
       data.add_part(payload.encoded, 'application/x-php', nil, "form-data; name=\"Filedata\"; filename=\"#{filename}\"")
-      post_data = data.to_s
 
       print_status("#{peer} - Uploading payload")
       res = send_request_cgi(