Merge boxWithStdlib testData into box, delete BoxWithStdlib test

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

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+
+class C {
+    @kotlin.jvm.JvmOverloads public fun foo(d1: Double, d2: Double, status: String = "OK"): String {
+        return if (d1 + d2 == 3.0) status else "fail"
+    }
+}
+
+fun box(): String {
+    val c = C()
+    val m = c.javaClass.getMethod("foo", Double::class.java, Double::class.java)
+    return m.invoke(c, 1.0, 2.0) as String
+}