Revert "Examples frame does not flikers when contribution is changed"

app/src/processing/app/Base.java

@@ -493,7 +493,6 @@ public class Base {
     if (ct == ContributionType.LIBRARY) {
       for (Mode m : getModeList()) {
         m.rebuildImportMenu();
-        m.refreshExampleFrame();
       }
 
     } else if (ct == ContributionType.MODE) {
@@ -511,7 +510,7 @@ public class Base {
     } else if (ct == ContributionType.EXAMPLES) {
       rebuildContribExamples();
       for (Mode m : getModeList()) {
-        m.refreshExampleFrame();
+        m.rebuildExamplesFrame();
       }
     }
   }

app/src/processing/app/Mode.java

@@ -589,12 +589,6 @@ public abstract class Mode {
     }
   }
 
-  public void refreshExampleFrame() {
-    if (examplesFrame != null) {
-      examplesFrame.refresh();
-    }
-  }
-
 
   public void showExamplesFrame() {
     if (examplesFrame == null) {

app/src/processing/app/ui/ExamplesFrame.java

@@ -92,11 +92,6 @@ public class ExamplesFrame extends JFrame {
       }
     });
 
-    setTree();
-  }
-
-
-  private void setTree() {
     JPanel examplesPanel = new JPanel();
     examplesPanel.setLayout(new BorderLayout());
     examplesPanel.setBackground(Color.WHITE);
@@ -409,8 +404,6 @@ public class ExamplesFrame extends JFrame {
     return contribExamplesNode;
   }
 
-  public void refresh() {
-    setTree();
-  }
+
 
 }