doc: fix broken links

docs/en/05-develop/01-connect/01-python.md

@@ -79,5 +79,3 @@ Copy code bellow to your editor and run it.
 ```python
 {{#include docs/examples/python/develop_tutorial.py:connect}}
 ```
-
-<!---The client connection is then established. For how to write data and query data, please refer to [Insert Data](https://docs.tdengine.com/cloud/develop/insert-data#connector-examples) and [Query Data](https://docs.tdengine.com/cloud/develop/query-data/#connector-examples).--->

docs/en/05-develop/01-connect/02-java.md

@@ -79,4 +79,3 @@ Code bellow get JDBC URL from environment variables first and then create a `Con
 {{#include docs/examples/java/src/main/java/com/taos/example/ConnectCloudExample.java:connect}}
 ```
 
-<!---The client connection is then established. For how to write data and query data, please refer to [Insert Data](https://docs.tdengine.com/cloud/develop/insert-data#connector-examples) and [Query Data](https://docs.tdengine.com/cloud/develop/query-data/#connector-examples).--->

docs/en/05-develop/01-connect/03-go.md

@@ -77,5 +77,3 @@ Finally, test the connection:
 ```
 go run main.go
 ```
-
-<!---The client connection is then established. For how to write data and query data, please refer to [Insert Data](https://docs.tdengine.com/cloud/develop/insert-data#connector-examples) and [Query Data](https://docs.tdengine.com/cloud/develop/query-data/#connector-examples).--->

docs/en/05-develop/01-connect/04-rust.md

@@ -63,4 +63,4 @@ Copy following code to `main.rs`.
 ```
 
 Then you can execute `cargo run` to test the connection. 
-<!---The client connection is then established. For how to write data and query data, please refer to [Insert Data](https://docs.tdengine.com/cloud/develop/insert-data#connector-examples) and [Query Data](https://docs.tdengine.com/cloud/develop/query-data/#connector-examples).--->
+

docs/en/05-develop/01-connect/05-node.md

@@ -55,6 +55,4 @@ To obtain the value of cloud token and URL, please log in [TDengine Cloud](https
 
 ```javascript
 {{#include docs/examples/node/connect.js}}
-```
-
+```
\ No newline at end of file
-<!---The client connection is then established. For how to write data and query data, please refer to [Insert Data](https://docs.tdengine.com/cloud/develop/insert-data#connector-examples) and [Query Data](https://docs.tdengine.com/cloud/develop/query-data/#connector-examples).--->