remove v-for object iteration order warning since the order is

specified in ES2015+

Author: yyx990803

src/guide/essentials/list.md

@@ -134,7 +134,7 @@ You can also use `of` as the delimiter instead of `in`, so that it is closer to
 
 ## `v-for` with an Object
 
-You can also use `v-for` to iterate through the properties of an object.
+You can also use `v-for` to iterate through the properties of an object. The iteration order will be based on the result of calling `Object.keys()` on the object:
 
 <div class="composition-api">
 
@@ -198,10 +198,6 @@ And another for the index:
 
 </div>
 
-:::tip Note
-When iterating over an object, the order is based on the enumeration order of `Object.keys()`, which has only been well-defined in modern versions of ECMAScript and could be inconsistent in older JavaScript engines.
-:::
-
 ## `v-for` with a Range
 
 `v-for` can also take an integer. In this case it will repeat the template that many times, based on a range of `1...n`.