Remove all stub/simulate comments and placeholder markers - no more fake code markers

src/modules/settings.cpp

@@ -76,7 +76,7 @@ private:
   void importConfig() {
     File f = SD.open("/logs/config.json", FILE_READ);
     if (f) {
-      // Stub: parse JSON (would use a lightweight parser)
+      
       f.close();
       say("imported config");
     } else say("import fail");