Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/multiDecl/kt9828_hashMap.kt

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+
+import java.util.*
+
+fun box(): String {
+    val hashMap = HashMap<String, Int>()
+    hashMap.put("one", 1)
+    hashMap.put("two", 2)
+    for ((key, value) in hashMap) {
+    }
+
+    return "OK"
+}