public void deleteCustomCatalog(int index){
  if (index < customCatalogs.size()) {
    customCatalogs.remove(index);
    fireTableChangedEvent(new TableModelEvent(this));
  }
}

public void deleteCustomCatalog ( int index ) { if ( index < customCatalogs . size ( ) ) { customCatalogs . remove ( index ) ; fireTableChangedEvent ( new TableModelEvent ( this ) ) ; } }
remove a line from the custom catalog table
