docs: add directions of mac uninstall (#20520)

* docs: add directions of mac uninstall

* docs: reformat

docs/en/13-operation/01-pkg-install.md

@@ -111,8 +111,20 @@ taos tools is uninstalled successfully!
 ```
 
 </TabItem>
+
 <TabItem label="Windows uninstall" value="windows">
 Run C:\TDengine\unins000.exe to uninstall TDengine on a Windows system.
+</TabItem>
+
+<TabItem label="Mac uninstall" value="mac">
+
+TDengine can be uninstalled as below:
+
+```
+$ rmtaos
+TDengine is removed successfully!
+```
+
 </TabItem>
 </Tabs>
 

docs/zh/17-operation/01-pkg-install.md

@@ -143,6 +143,16 @@ taos tools is uninstalled successfully!
 </TabItem>
 <TabItem label="Windows 卸载" value="windows">
 在 C:\TDengine 目录下，通过运行 unins000.exe 卸载程序来卸载 TDengine。
+</TabItem>
+
+<TabItem label="Mac 卸载" value="mac">
+卸载 TDengine 命令如下:
+
+```
+$ rmtaos
+TDengine is removed successfully!
+```
+
 </TabItem>
 </Tabs>