Merge branch 'docs/delete_chip_series_comparison' into 'master'

docs: remove and redirect chip-series-comparison.rst

Closes DOC-3453

See merge request espressif/esp-idf!19534

Author: WangVirginia

docs/en/hw-reference/chip-series-comparison.rst

@@ -22,5 +22,5 @@ Hardware Reference
     Espressif KiCad Library <https://github.com/espressif/kicad-libraries>
     ESP Product Selector <https://products.espressif.com/#/product-selector?names=>
     Regulatory Certificates <https://www.espressif.com/en/certificates?keys={IDF_TARGET_NAME}>
-    Chip Series Comparison <chip-series-comparison>
+    Chip Series Comparison <https://products.espressif.com/#/product-comparison>
     User Forum (Hardware) <https://esp32.com/viewforum.php?f=12>

docs/en/hw-reference/index.rst

@@ -83,6 +83,8 @@ hw-reference/get-started-pico-kit-v3            hw-reference/esp32/get-started-p
 hw-reference/get-started-ethernet-kit-v1.0      hw-reference/esp32/get-started-ethernet-kit-v1.0
 hw-reference/get-started-ethernet-kit           hw-reference/esp32/get-started-ethernet-kit
 hw-reference/esp32s2/usermacos-setup_mesh       api-reference/network/esp-wifi-mesh
+# The 'chip series comparison' is merged into 'esp product selector'
+hw-reference/chip-series-comparison             "https://products.espressif.com/#/product-comparison"
 
 # Getting Started
 get-started/macos-setup                         get-started/linux-macos-setup