sync docs

docs/guide/project-configuration/configure-targets.md

@@ -18,8 +18,8 @@ Of course, we can also configure them completely by ourselves without using the
 
 ```lua [xmake.lua]
 target("test")
-set_kind("binary")
-add_files("src/*.cpp")
+    set_kind("binary")
+    add_files("src/*.cpp")
 ```
 
 ## Configure macro definition {#configure-defines}

docs/zh/guide/project-configuration/configure-targets.md

@@ -364,14 +364,6 @@ target("lib")
     set_symbols("hidden")  -- 隐藏符号，减少导出表大小
 ```
 
-### 设置可见性级别
-
-```lua
-target("lib")
-    set_kind("shared")
-    set_visibility("hidden")  -- 设置默认可见性为隐藏
-```
-
 ## 目标优化配置 {#configure-target-optimization}
 
 ### 设置优化级别