[FIX] remove unused function

Author: SeeSharpSoft

src/main/java/net/seesharpsoft/intellij/plugins/csv/editor/table/swing/CsvTableEditorActions.java

@@ -14,7 +14,6 @@
 import java.awt.event.ActionListener;
 import java.io.IOException;
 import java.net.URI;
-import java.util.Vector;
 
 public class CsvTableEditorActions extends CsvTableEditorUtilBase {
 
@@ -145,18 +144,6 @@ public void actionPerformed(ActionEvent e) {
         }
     }
 
-    private void removeColumn(DefaultTableModel tableModel, int column) {
-        int prevColumnCount = tableModel.getColumnCount();
-
-        Vector rows = tableModel.getDataVector();
-        for (Object row : rows) {
-            ((Vector) row).remove(column);
-        }
-
-        tableModel.setColumnCount(prevColumnCount - 1);
-        tableModel.fireTableStructureChanged();
-    }
-
     private final class DeleteColumnAction implements ActionListener {
         @Override
         public void actionPerformed(ActionEvent e) {