optimize:optimize transfer 2020

spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/resttemplate/RouterLabelRestTemplateInterceptorTest.java

@@ -118,7 +118,6 @@ public class RouterLabelRestTemplateInterceptorTest {
 		transitiveLabels.put("k1", "v1");
 		transitiveLabels.put("k2", "v22");
 		when(metadataContext.getTransitiveMetadata()).thenReturn(transitiveLabels);
-		routerLabels.putAll(transitiveLabels);
 
 		mockedMetadataContextHolder.when(MetadataContextHolder::get).thenReturn(metadataContext);