Fix: remove this statement

Signed-off-by: matsumo-and <[email protected]>

Author: matsumo-and

spring-cloud-gateway-server-webflux/src/main/java/org/springframework/cloud/gateway/filter/headers/ForwardedHeadersFilter.java

@@ -204,7 +204,7 @@ private void addForwardedByHeader(Forwarded forwarded) {
 			addForwardedBy(forwarded, InetAddress.getLocalHost());
 		}
 		catch (UnknownHostException e) {
-			this.log.warn("Can not resolve host address, skipping Forwarded 'by' header", e);
+			log.warn("Can not resolve host address, skipping Forwarded 'by' header", e);
 		}
 	}