still enable emphasis state for candlestick series by default

en/option/series/candlestick.md

@@ -98,19 +98,9 @@ Item style of candlestick.
 Emphasis style of candlestick.
 
 {{ use: partial-emphasis-disabled(
-    prefix = "##",
-    defaultValue = true
+    prefix = "##"
 ) }}
 
-**Note:** The emphasis state is disabled in the candlestick series by default for historical reasons and needs to be explicitly enabled as follows.
-
-```js
-emphasis: {
-    // enable the emphasis state
-    disabled: false
-}
-```
-
 {{ use: partial-focus-blur-scope() }}
 
 ### itemStyle(Object)

zh/option/series/candlestick.md

@@ -284,19 +284,9 @@ K 线图的图形样式。
 K 线图的高亮状态。
 
 {{ use: partial-emphasis-disabled(
-    prefix = "##",
-    defaultValue = true
+    prefix = "##"
 ) }}
 
-**注意：** K 线图由于历史遗留原因，默认关闭，需要如下显式启用。
-
-```js
-emphasis: {
-    // 启用高亮状态
-    disabled: false
-}
-```
-
 {{ use: partial-focus-blur-scope() }}
 
 ### itemStyle(Object)