Remove commented-out code

src/metabase/middleware/json.clj

@@ -62,29 +62,6 @@
         (respond ring.json/default-malformed-response))
       (handler request respond raise))))
 
-#_(defn check-application-type-headers
-  "We don't support API requests with any type of content encoding other than JSON so let's be nice and make that
-  explicit. Added benefit is that it reduces CSRF surface because POSTing a form with JSON content encoding isn't so
-  easy to do."
-  [handler]
-  (fn
-    [{:keys [request-method body], {:strs [content-type]} :headers, :as request} respond raise]
-    ;; GET or DELETE requests with no body we can go ahead and proceed without Content-Type headers, since they
-    ;; generally don't have bodies.
-    ;;
-    ;; POST/PUT requests always require Content-Type: application/json. GET/DELETE requests that specify any other
-    ;; content type aren't allowed.
-    (if (or (and (#{:get :delete} request-method)
-                 (nil? content-type))
-            (#'ring.json/json-request? request))
-      (handler request respond raise)
-      (respond
-       {:status  400
-        :headers {"Content-Type" "text/plain"}
-        :body    (str (tru "Metabase only supports JSON requests.")
-                      " "
-                      (tru "Make sure you set a 'Content-Type: application/json' header."))}))))
-
 
 ;;; +----------------------------------------------------------------------------------------------------------------+
 ;;; |                                            Streaming JSON Responses                                            |