Revert "SplitPanel shows a scrollbar instead of shrinking the right p…

…anel in the main view"

The reported problem was fixed with the patch (that is reverted here), but the Tree Results View
was broken with it. So revert it for now.

This reverts commit 2e7c471.
This reverts commit a7bdcb2.

Bugzilla Id: 65545

src/core/src/main/java/org/apache/jmeter/gui/util/VerticalPanel.java

@@ -17,15 +17,14 @@
 
 package org.apache.jmeter.gui.util;
 
+import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Component;
 
 import javax.swing.Box;
 import javax.swing.JComponent;
 import javax.swing.JPanel;
 
-import net.miginfocom.swing.MigLayout;
-
 public class VerticalPanel extends JPanel {
     private static final long serialVersionUID = 240L;
 
@@ -46,8 +45,8 @@ public VerticalPanel(Color bkg) {
     }
 
     public VerticalPanel(int vgap, float horizontalAlign) {
-        super(new MigLayout("fillx, wrap 1, insets 0", "[95%!,fill,grow]"));
-        add(subPanel, "north");
+        super(new BorderLayout());
+        add(subPanel, BorderLayout.NORTH);
         this.vgap = vgap;
         this.horizontalAlign = horizontalAlign;
     }

xdocs/changes.xml

@@ -242,7 +242,6 @@ Summary
   <li><bug>65300</bug>IllegalAccessError when opening file dialog with Java 16</li>
   <li><bug>65336</bug>Blank labels when different elements had the same name</li>
   <li><bug>65522</bug>Restart doesn't work, when parameters contain spaces</li>
-  <li><bug>65545</bug>SplitPanel shows a scrollbar instead of shrinking the right panel in the main view</li>
 </ul>
 
  <!--  =================== Thanks =================== -->