Duplicate Attribute in HTML docs

# HTML attribute
Duplicate Attributes in HTML docs https://devdocs.io/html-attributes/

## Summary

There is one duplicate attribute autofocus present in HTML docs https://devdocs.io/html-attributes/ in which one is linked to https://devdocs.io/html/attributes#autofocus-attribute page and other is linked to https://devdocs.io/html/global_attributes/autofocus page.
## Actual style


## Expected style

Should be linked to https://devdocs.io/html/global_attributes/autofocus

Start at the HTML attributes documentation linked in the issue and compare the two autofocus entries. Update the documentation so the duplicate points to the global_attributes/autofocus page, then verify that only the expected link remains.

Written by the indexing model from the issue text.