Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/regressions/referenceToSelfInLocal.kt

@@ -0,0 +1,19 @@
+// WITH_RUNTIME
+// KT-4351 Cannot resolve reference to self in init of class local to function
+
+fun box(): String {
+    var accessedFromConstructor: Class<*>? = null
+
+    class MyClass() {
+        init {
+            accessedFromConstructor = MyClass::class.java
+        }
+    }
+
+    MyClass()
+    if (accessedFromConstructor!!.getName().endsWith("MyClass")) {
+        return "OK"
+    } else {
+        return accessedFromConstructor.toString()
+    }
+}