Remove dead constant.

Author: jvennix-r7

modules/exploits/android/browser/samsung_knox_smdm_url.rb

@@ -11,8 +11,6 @@ class Metasploit3 < Msf::Exploit::Remote
   include Msf::Exploit::Remote::BrowserExploitServer
   include Msf::Exploit::Remote::BrowserAutopwn
 
-  VULN_CHECK_JS = "is_vuln = true;"
-
   autopwn_info(
     :os_name    => OperatingSystems::Match::ANDROID,
     :arch       => ARCH_ARMLE,