Delete unnecessary code and use get_env

Author: jvazquez-r7

modules/exploits/windows/local/ms13_097_ie_registry_symlink.rb

@@ -82,7 +82,7 @@ def primer
     html_uri = "#{get_uri}/#{rand_text_alpha(4 + rand(4))}.html"
     session.railgun.kernel32.SetEnvironmentVariableA("HTML_URL", html_uri)
 
-    temp = session.sys.config.getenv('TEMP')
+    temp = get_env('TEMP')
 
     print_status("Loading Exploit Library...")
 
@@ -124,12 +124,5 @@ def on_request_uri(cli, request)
     end
   end
 
-  def get_dll
-    path = File.join(Msf::Config.data_directory, "exploits", "CVE-2013-5045", "CVE-2013-5045.dll")
-    dll = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
-
-    dll
-  end
-
 end