sphinx/conf.py: Remove no longer needed httpdomain hacks
The encountered issues have been fixed in release 1.8.0 of sphinxcontrib-httpdomain.
Migrated from D6486 (view on Phabricator)
Staging instance, all changes can be removed at any time
The encountered issues have been fixed in release 1.8.0 of sphinxcontrib-httpdomain.
Migrated from D6486 (view on Phabricator)