Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/jvmOverloads/secondaryConstructor.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+
+class C(val i: Int) {
+    var status = "fail"
+
+    @kotlin.jvm.JvmOverloads constructor(o: String, k: String = "K"): this(-1) {
+        status = o + k
+    }
+}
+
+fun box(): String {
+    val c = (C::class.java.getConstructor(String::class.java).newInstance("O"))
+    return c.status
+}