Remove unused field

Author: pzygielo

nucleus/admin/server-mgmt/src/main/java/com/sun/enterprise/admin/servermgmt/KeystoreManager.java

@@ -24,7 +24,6 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.lang.System.Logger;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -40,7 +39,6 @@
  */
 public class KeystoreManager {
 
-    private static final Logger LOG = System.getLogger(KeystoreManager.class.getName());
     private static final String CERTIFICATE_DN_PREFIX = "CN=";
     private static final String CERTIFICATE_DN_SUFFIX = ",OU=GlassFish,O=Eclipse Foundation";
     public static final String CERTIFICATE_ALIAS = "s1as";