Move some tests from boxWithStdlib/ to box/

Move those tests which do not require neither stdlib nor reflect

compiler/testData/codegen/box/callableReference/property/simpleExtension.kt

@@ -0,0 +1,12 @@
+val String.id: String
+    get() = this
+
+fun box(): String {
+    val pr = String::id
+
+    if (pr.get("123") != "123") return "Fail value: ${pr.get("123")}"
+
+    if (pr.name != "id") return "Fail name: ${pr.name}"
+
+    return pr.get("OK")
+}