Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/synchronized/wait.kt

@@ -0,0 +1,19 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+fun box(): String {
+    val obj = "" as java.lang.Object
+    try {
+        obj.wait(1)
+        return "Fail: exception should have been thrown"
+    }
+    catch (e: IllegalMonitorStateException) {
+        // OK
+    }
+
+    synchronized (obj) {
+        obj.wait(1)
+    }
+
+    return "OK"
+}