Removed 'Integer.valueOf()' boxing of literals

testData/results/TestClassLambda.dec

@@ -15,7 +15,7 @@ public class TestClassLambda {
    public int field = 0;
 
    public void testLambda() {
-      List var1 = Arrays.asList(Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3), Integer.valueOf(4), Integer.valueOf(5), Integer.valueOf(6), Integer.valueOf(7));// 29
+      List var1 = Arrays.asList(new Integer[]{1, 2, 3, 4, 5, 6, 7});// 29
       int var2 = (int)Math.random();// 30
       var1.forEach((var2x) -> {// 32
          int var3 = 2 * var2x.intValue();// 33