[core] Conditionally compile get_loop_priority with USE_LOOP_PRIORITY (#14210)

esphome/core/application.cpp

@@ -109,9 +109,11 @@ void Application::setup() {
     if (component->can_proceed())
       continue;
 
+#ifdef USE_LOOP_PRIORITY
     // Sort components 0 through i by loop priority
     insertion_sort_by_priority<decltype(this->components_.begin()), &Component::get_loop_priority>(
         this->components_.begin(), this->components_.begin() + i + 1);
+#endif
 
     do {
       uint8_t new_app_state = STATUS_LED_WARNING;