revert changes to wled_server.cpp (requestJSONBufferLock(14) error)

I've had strange UI errors after this change, so cowardly taking it back..

wled00/wled_server.cpp

@@ -193,11 +193,7 @@ void initServer()
     bool verboseResponse = false;
     bool isConfig = false;
 
-    if (!requestJSONBufferLock(14)) {
-      // serveJsonError(request, 503, ERR_NOBUF); //WLEDMM we dont have this function, so we'll send the error response "old style"
-      request->send(503, "application/json", F("{\"error\":3}")); // ERR_NOBUF
-      return;
-    }
+    if (!requestJSONBufferLock(14)) return;
 
     DeserializationError error = deserializeJson(doc, (uint8_t*)(request->_tempObject));
     JsonObject root = doc.as<JsonObject>();