Remove assigned but unused local vars

Author: egypt

modules/exploits/windows/local/lenovo_systemupdate.rb

@@ -119,7 +119,7 @@ def write_named_pipe(pipe, command)
   def get_security_token(lenovo_directory)
     unless client.railgun.get_dll('tvsutil')
       client.railgun.add_dll('tvsutil', "#{lenovo_directory}\\tvsutil.dll")
-      client.railgun.add_function('tvsutil', 'GetSystemInfoData', 'DWORD', [['PWCHAR', 'systeminfo', 'out']], windows_name = nil, calling_conv = 'cdecl')
+      client.railgun.add_function('tvsutil', 'GetSystemInfoData', 'DWORD', [['PWCHAR', 'systeminfo', 'out']], nil, 'cdecl')
     end
 
     dll_response = client.railgun.tvsutil.GetSystemInfoData(256)