update doc

Signed-off-by: Nshawn_he <shawn.he@huawei.com>

en/application-dev/connectivity/http-request.md

@@ -81,8 +81,3 @@ httpRequest.request(
     }
 );
 ```
-
-## Samples
-The following sample is provided to help you better understand how to develop the HTTP data request feature:
-- [`HTTP`: Data Request (ArkTS) (API9)](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Connectivity/Http)
-- [HTTP Communication (ArkTS) (API9)](https://gitee.com/openharmony/codelabs/tree/master/NetworkManagement/SmartChatEtsOH)

en/application-dev/connectivity/ipc-rpc-development-guideline.md

-# IPC & RPC Development Guidelines
+# IPC & RPC Development
 
 ## When to Use
 

en/application-dev/connectivity/socket-connection.md

@@ -319,10 +319,3 @@ TLS Socket connection process on the client:
        tlsTwoWay.off('close');
    });
 ```
-
-## Samples
-
-The following samples are provided to help you better understand how to develop Socket connection features:
-- [`Socket`: Socket Connection (ArkTS) (API9)](https://gitee.com/openharmony/applications_app_samples/tree/master/Network/Socket)
-- [UDP Socket (ArkTS) (API9)](https://gitee.com/openharmony/codelabs/tree/master/NetworkManagement/UdpDemoOH)
-- [TCP Socket (ArkTS) (API9)](https://gitee.com/openharmony/codelabs/tree/master/NetworkManagement/TcpSocketDemo)

en/application-dev/device/usb-overview.md

@@ -14,6 +14,7 @@ The USB subsystem consists of three parts: USB API, USB Service, and USB HAL. Th
 ![](figures/en-us_image_0000001237821727.png)
 
 -   USB API: provides USB APIs that implement various basic functions, for example, query of the USB device list, bulk data transfer, control transfer, and right management.
+
 -   USB Service: receives, parses, and distributes Hardware Abstraction Layer \(HAL\) data, manages and controls foreground and background policies, and manages devices.
 
 -   USB HAL: provides driver capability APIs that can be directly called in user mode.

en/application-dev/internationalization/intl-guidelines.md

@@ -384,12 +384,4 @@ According to grammars in certain languages, the singular or plural form of a nou
    ```js
    let relativeTimeFormat = new Intl.RelativeTimeFormat("zh-CN", {numeric: "always", style: "long"});
    let options = relativeTimeFormat.resolvedOptions(); // options = {"locale": "zh-CN", "style": "long", "numeric": "always", "numberingSystem": "latn"}
-   ```
-
-## Samples
-
-The following sample is provided to help you better understand how to develop internationalization capabilities:
-
--[`International`: Internationalization (JS) (API8)](https://gitee.com/openharmony/applications_app_samples/tree/master/UI/International)
-
--[`International`: Internationalization (ArkTS) (API8) (Full SDK)](https://gitee.com/openharmony/applications_app_samples/tree/master/common/International)
+   ```
\ No newline at end of file