core: Remove unnecessary enum casts in log calls

Follows the video core PR. fmt doesn't require casts for enum classes
anymore, so we can remove quite a few casts.

src/core/hle/service/apm/controller.cpp

@@ -48,8 +48,7 @@ void Controller::SetPerformanceConfiguration(PerformanceMode mode,
                                    [config](const auto& entry) { return entry.first == config; });
 
     if (iter == config_to_speed.cend()) {
-        LOG_ERROR(Service_APM, "Invalid performance configuration value provided: {}",
-                  static_cast<u32>(config));
+        LOG_ERROR(Service_APM, "Invalid performance configuration value provided: {}", config);
         return;
     }