urlutil: deprecate `getpath`

There as no remaining user of that function.

Differential Revision: https://phab.mercurial-scm.org/D10439

mercurial/ui.py

@@ -1058,6 +1058,8 b' class ui(object):'
 
         This method exist as `getpath` need a ui for potential warning message.
         """
+        msg = b'ui.getpath is deprecated, use `get_*` functions from urlutil'
+        self.deprecwarn(msg, '6.0')
         return self.paths.getpath(self, *args, **kwargs)
 
     @property

mercurial/utils/urlutil.py

@@ -610,6 +610,8 b' class paths(dict):'
         Returns None if ``name`` is not a registered path, a URI, or a local
         path to a repo.
         """
+        msg = b'getpath is deprecated, use `get_*` functions from urlutil'
+        self.deprecwarn(msg, '6.0')
         # Only fall back to default if no path was requested.
         if name is None:
             if not default: