remove trailing whitespaces

Author: cjqzhao

internal/xds/xdsclient/xdsmetadataregistry/xdsmetadataregistry_test.go

@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-
 package xdsmetadataregistry
 
 import (

internal/xds/xdsclient/xdsresource/unmarshal_eds.go

@@ -219,7 +219,7 @@ func validateAndConstructMetadata(metadataProto *v3corepb.Metadata) (Metadata, e
 			converter := xdsmetadataregistry.GetConverter(anyProto.GetTypeUrl())
 			// Ignore types we don't have a converter for.
 			if converter == nil {
-				continue 
+				continue
 			}
 
 			val, err := converter(anyProto.GetValue())
@@ -233,10 +233,10 @@ func validateAndConstructMetadata(metadataProto *v3corepb.Metadata) (Metadata, e
 
 	// Process FilterMetadata for any keys not already handled.
 	for key, structProto := range metadataProto.GetFilterMetadata() {
-		_, exists := metadata[key];
+		_, exists := metadata[key]
 		// Skip keys already added from TyperFilterMetadata.
 		if exists {
-			continue 
+			continue
 		}
 		b, err := protojson.Marshal(structProto)
 		if err != nil {