!287 update English readme links

Merge pull request !287 from NEEN/master

en/release-notes/OpenHarmony-Release-Notes.md

 # OpenHarmony Release Notes
 
--   [OpenHarmony 1.1.0 LTS \(2021-04-27\)](openharmony-1-1-0-lts.md)
--   [OpenHarmony 1.0 \(2020-09-10\)](openharmony-1-0.md)
+-   [OpenHarmony 1.1.0 LTS \(2021-04-01\)](openharmony-1-1-0-lts.md)
+-   [OpenHarmony 1.0 \(2020-09-10\)](OpenHarmony-1-0.md)
 

en/release-notes/openharmony-1-1-0-lts.md

-# OpenHarmony 1.1.0 LTS \(2021-04-27\)<a name="EN-US_TOPIC_0000001095652840"></a>
+# OpenHarmony 1.1.0 LTS \(2021-04-01\)<a name="EN-US_TOPIC_0000001095652840"></a>
 
 -   [Overview](#section1846294912228)
 -   [Source Code Acquisition](#section84808293211)
@@ -250,7 +250,7 @@ This version inherits all features of OpenHarmony 1.0, and adds and optimizes fe
 
 The following table describes the optimization of repositories.
 
->![](public_sys-resources/icon-note.gif) **NOTE:** 
+> **NOTE:** 
 >-   Read-only archiving means archiving a module repository to the  **openharmony-retired**  organization and setting the repository to read-only.
 >-   Code for third-party chips has been decoupled from the OS. HiSilicon chip SDKs have been moved from the  **vendor**  directory to the  **device/hisilicon**  directory.
 

zh-cn/release-notes/OpenHarmony-1-1-0-LTS.md

-# OpenHarmony 1.1.0 LTS（2021-04-27）<a name="ZH-CN_TOPIC_0000001095652840"></a>
+# OpenHarmony 1.1.0 LTS（2021-04-01）<a name="ZH-CN_TOPIC_0000001095652840"></a>
 
 -   [版本概述](#section1846294912228)
 -   [源码获取](#section84808293211)

zh-cn/release-notes/OpenHarmony-Release-Notes.md

 # OpenHarmony Release Notes
 
--   [OpenHarmony 1.1.0 LTS（2021-04-27）](OpenHarmony-1-1-0-LTS.md)
+-   [OpenHarmony 1.1.0 LTS（2021-04-01）](OpenHarmony-1-1-0-LTS.md)
 -   [OpenHarmony 1.0（2020-09-10）](OpenHarmony-1-0.md)