ui: deprecated `ui.expandpath`
This function return a single path, something incompatible with the coming
change to `[paths]` definition to allow multiple associated urls.
Now that all user got migrated, we deprecate the function.
Differential Revision: https://phab.mercurial-scm.org/D10432
{
"conduit_uri": "https://phab.mercurial-scm.org/api",
"phabricator.uri": "https://phab.mercurial-scm.org/",
"repository.callsign": "HG",
"arc.land.onto.default": "@",
"base": "hg:.^"
}