Remove unneeded reference

Author: ThomsonTan

opentelemetry-sdk/src/logs/log_processor.rs

@@ -477,7 +477,7 @@ impl BatchLogProcessor {
 
                         result = export_with_timeout_sync(
                             config.max_export_timeout,
-                            &exporter,
+                            exporter,
                             logs,
                             &mut last_export_time,
                         );