KT-19943: Remove redundant special type unboxing calls in J2K

#KT-19943 Fixed

j2k/testData/fileOrElement/issues/kt-19943.java

@@ -0,0 +1,27 @@
+import java.util.List;
+
+public class TestSpecialMethodForTypeValue  {
+    public byte testByte(List<Byte> xs) {
+        return xs.get(0).byteValue();
+    }
+
+    public short testShort(List<Short> xs) {
+        return xs.get(0).shortValue();
+    }
+
+    public int testInt(List<Integer> xs) {
+        return xs.get(0).intValue();
+    }
+
+    public long testLong(List<Long> xs) {
+        return xs.get(0).longValue();
+    }
+
+    public float testFloat(List<Float> xs) {
+        return xs.get(0).floatValue();
+    }
+
+    public double testDouble(List<Double> xs) {
+        return xs.get(0).doubleValue();
+    }
+}