remove test credentials

Author: bjeffrie

sqldeveloper/extension/java/ConnectionHelper/src/oracle/db/example/sqldeveloper/extension/connectionHelper/ConnectionHelper.java

@@ -61,8 +61,6 @@ public static void processPotentialConnectionRequest(String arg) {
 processPotentialConnectionArgument(arg, ConnectionHelperPreferenceModel.getInstance().isPersistExternalConnectionServerConnections());
 }
 
-// -system_DB120101=system/dbtools@llg00hon.uk.oracle.com:1521/DB12201
- // -sysdba_DB120101=sys/dbtools@llg00hon.uk.oracle.com:1521/DB12201#SYSDBA
  // TODO? Look up valid character requirements for each group
  // format = -conName=user[/[pw]]@host:port(:sid|/svc)[#role]
  // 1 2 4 5 6 8 9 11
@@ -108,7 +106,7 @@ private static void processPotentialConnectionArgument(String arg, boolean persi
  * @since SQL Developer 20.1
  */
 private static class ConnectionHelperShutdownHook implements ShutdownHook {
-public ArrayList<String> fqNames = new ArrayList<>();
+private ArrayList<String> fqNames = new ArrayList<>();
 
 public void add(String fqName) {
 fqNames.add(fqName);