Demote log level on trivial 401 intercept (AsyncHttpClient#1260)

Do not log info if proxy realm not configured

Author: roberth-k

client/src/main/java/org/asynchttpclient/netty/handler/intercept/ProxyUnauthorized407Interceptor.java

@@ -68,7 +68,7 @@ public boolean exitAfterHandling407(//
         Realm proxyRealm = future.getProxyRealm();
 
         if (proxyRealm == null) {
-            LOGGER.info("Can't handle 407 as there's no proxyRealm");
+            LOGGER.debug("Can't handle 407 as there's no proxyRealm");
             return false;
         }
 

client/src/main/java/org/asynchttpclient/netty/handler/intercept/Unauthorized401Interceptor.java

@@ -64,7 +64,7 @@ public boolean exitAfterHandling401(//
             HttpRequest httpRequest) {
 
         if (realm == null) {
-            LOGGER.info("Can't handle 401 as there's no realm");
+            LOGGER.debug("Can't handle 401 as there's no realm");
             return false;
         }