java compiler settings: update table UI when an item is removed from 'Per-module bytecode version' table

java/compiler/impl/src/com/intellij/compiler/options/TargetOptionsComponent.java

@@ -230,6 +230,7 @@ public class TargetOptionsComponent extends JPanel {
     @Override
     public void removeRow(int idx) {
       myItems.remove(idx);
+      fireTableDataChanged();
     }
 
     public void setItems(Map<Module, String> items) {