Merge branch 'docs/update_index' into 'master'

docs: remove rarely used items from the home page

Closes DOC-3520

See merge request espressif/esp-idf!19630

docs/en/index.rst

@@ -19,13 +19,9 @@ This is the documentation for Espressif IoT Development Framework (`esp-idf <htt
     This document describes using ESP-IDF with the {IDF_TARGET_NAME} SoC.
 
 ==================  ==================  ==================
-|Get Started|_      |API Reference|_    |H/W Reference|_
+|Get Started|_      |API Reference|_    |API Guides|_
 ------------------  ------------------  ------------------
-`Get Started`_      `API Reference`_    `H/W Reference`_
-------------------  ------------------  ------------------
-|API Guides|_       |Contribute|_       |Resources|_
-------------------  ------------------  ------------------
-`API Guides`_       `Contribute`_       `Resources`_
+`Get Started`_      `API Reference`_    `API Guides`_
 ==================  ==================  ==================
 
 .. |Get Started| image:: ../_static/get-started.png
@@ -34,20 +30,11 @@ This is the documentation for Espressif IoT Development Framework (`esp-idf <htt
 .. |API Reference| image:: ../_static/api-reference.png
 .. _API Reference: api-reference/index.html
 
-.. |H/W Reference| image:: ../_static/hw-reference.png
-.. _H/W Reference: hw-reference/index.html
-
 .. |API Guides| image:: ../_static/api-guides.png
 .. _API Guides: api-guides/index.html
 
 .. _Libraries and Frameworks: libraries-and-frameworks/index.html
 
-.. |Contribute| image:: ../_static/contribute.png
-.. _Contribute: contribute/index.html
-
-.. |Resources| image:: ../_static/resources.png
-.. _Resources: resources.html
-
 
 .. toctree::
    :hidden:
@@ -64,5 +51,3 @@ This is the documentation for Espressif IoT Development Framework (`esp-idf <htt
    COPYRIGHT
    about
    languages
-
-* :ref:`genindex`

docs/zh_CN/index.rst

@@ -19,13 +19,9 @@ ESP-IDF 编程指南
     本文档仅包含针对 {IDF_TARGET_NAME} 芯片的 ESP-IDF 使用。
 
 ==================  ==================  ==================
-|快速入门|_          |API 参考|_         |H/W 参考|_
+|快速入门|_          |API 参考|_         |API 指南|_
 ------------------  ------------------  ------------------
-`快速入门`_          `API 参考`_         `H/W 参考`_
-------------------  ------------------  ------------------
-|API 指南|_          |贡献代码|_         |相关资源|_
-------------------  ------------------  ------------------
-`API 指南`_          `贡献代码`_         `相关资源`_
+`快速入门`_          `API 参考`_         `API 指南`_
 ==================  ==================  ==================
 
 .. |快速入门| image:: ../_static/get-started.png
@@ -34,20 +30,11 @@ ESP-IDF 编程指南
 .. |API 参考| image:: ../_static/api-reference.png
 .. _API 参考: api-reference/index.html
 
-.. |H/W 参考| image:: ../_static/hw-reference.png
-.. _H/W 参考: hw-reference/index.html
-
 .. |API 指南| image:: ../_static/api-guides.png
 .. _API 指南: api-guides/index.html
 
 .. _Libraries and Frameworks: libraries-and-frameworks/index.html
 
-.. |贡献代码| image:: ../_static/contribute.png
-.. _贡献代码: contribute/index.html
-
-.. |相关资源| image:: ../_static/resources.png
-.. _相关资源: resources.html
-
 
 .. toctree::
    :hidden:
@@ -64,5 +51,3 @@ ESP-IDF 编程指南
    COPYRIGHT
    about
    languages
-
-* :ref:`genindex`