Fix invalid message format.

See #20

Author: mp911de

src/main/java/org/springframework/data/release/deployment/ArtifactoryClient.java

@@ -72,7 +72,7 @@ public void verify() {
 
 		try {
 
-			logger.log("Artifactory", "Verifying authentication using a GET call to %s (%s %s).", verificationResource);
+			logger.log("Artifactory", "Verifying authentication using a GET call to %s.", verificationResource);
 
 			template.getForEntity(verificationResource, String.class);