add condition to RC warning log to prevent logging multiple times when using Lambdas

Author: claponcet

dd-java-agent/appsec/src/main/java/com/datadog/appsec/config/AppSecConfigServiceImpl.java

@@ -422,7 +422,7 @@ public void maybeSubscribeConfigPolling() {
       } else {
         subscribeConfigurationPoller();
       }
-    } else {
+    } else if (!tracerConfig.isAwsServerless()) {
       log.info("Remote config is disabled; AppSec will not be able to use it");
     }
   }