Merge branch 'docs/update_linkcheck_ignore_c2' into 'master'

docs: remove C2 datasheet from link check ignore

Closes IDF-4950

See merge request espressif/esp-idf!19514

docs/conf_common.py

@@ -224,7 +224,6 @@ linkcheck_exclude_documents = ['index',  # several false positives due to the wa
 linkcheck_ignore = ['https://webhome.phy.duke.edu/~rgb/General/dieharder.php',  # Certificate error
                     'https://dl.espressif.com/dl/esp32s3_rom.elf',  # Not published
                     'https://docs.espressif.com/projects/esptool/en/latest/esp32c2/espefuse/index.html',  # Not published
-                    'https://www.espressif.com/sites/default/files/documentation/esp32-c2_datasheet_en.pdf',  # Not published
                     ]