Fix regression in docs build failure

docs/en/get-started/index.rst

@@ -166,3 +166,5 @@ If you already have the ESP-IDF installed and not using IDE, you can build your
 
    Windows <windows-setup>
    Manual <linux-macos-setup>
+
+.. _Stable version: https://docs.espressif.com/projects/esp-idf/en/stable/

docs/en/get-started/linux-macos-setup.rst

@@ -235,8 +235,6 @@ Related Documents
     vscode-setup
     ../api-guides/tools/idf-monitor
 
-.. _Stable version: https://docs.espressif.com/projects/esp-idf/en/stable/
-.. _Releases page: https://github.com/espressif/esp-idf/releases
 .. _AUR: https://wiki.archlinux.org/index.php/Arch_User_Repository
 .. _First Steps on ESP-IDF: ../get-started/first-steps.html
 .. _cmake: https://cmake.org/

docs/zh_CN/get-started/index.rst

@@ -166,3 +166,5 @@ IDE
 
    Windows <windows-setup>
    Manual <linux-macos-setup>
+
+.. _Stable version: https://docs.espressif.com/projects/esp-idf/en/stable/

docs/zh_CN/get-started/linux-macos-setup.rst

@@ -235,8 +235,6 @@ ESP-IDF 工具安装器会下载 Github 发布版本中附带的一些工具，
     vscode-setup
     ../api-guides/tools/idf-monitor
 
-.. _Stable version: https://docs.espressif.com/projects/esp-idf/en/stable/
-.. _Releases page: https://github.com/espressif/esp-idf/releases
 .. _AUR: https://wiki.archlinux.org/index.php/Arch_User_Repository
 .. _First Steps on ESP-IDF: ../get-started/first-steps.html
 .. _cmake: https://cmake.org/