.arcconfig

locate: explicitly use dirstate.matches() for working copy

`hg locate` is odd in that it includes files that have been removed
from the working copy. It relies on workingctx.matches() for that. I
want to make workingctx.matches() not include removed files, so this
patch makes `hg locate` handle the working copy differently instead.

Differential Revision: https://phab.mercurial-scm.org/D3710

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    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}