Bug 116836 [clean up] Remove unnecessary casts
I20051116-1332 Clean up could offer "Remove unnecessary casts".
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E2 extends E1 {\n");
		buf.append("    /**\n");
		buf.append("     * @deprecated\n");
		buf.append("     */\n");
		buf.append("    public void foo1() {}\n");
		buf.append("    /**\n");
		buf.append("     * @deprecated\n");
		buf.append("     */\n");
		buf.append("    protected void foo2() {}\n");
		buf.append("    /**\n");
		buf.append("     * @deprecated\n");
		buf.append("     */\n");
		buf.append("    protected void foo3() {}\n");
		buf.append("}\n");
		ICompilationUnit cu2= pack1.createCompilationUnit("E2.java", buf.toString(), false, null);
		
		IPackageFragment pack2= fSourceFolder.createPackageFragment("test2", false, null);
		buf= new StringBuffer();
		buf.append("package test2;\n");
		buf.append("import test1.E2;\n");
		buf.append("public class E3 extends E2 {\n");
		buf.append("    /**\n");
		buf.append("     * @deprecated\n");
		buf.append("     */\n");
		buf.append("    public void foo1() {}\n");
		buf.append("    /**\n");