view .arcconfig @ 36359:df3f7f00a3fc

perfbranchmap: display 'unfiltered' for unfiltered performance

This is slightly clearer than "None" and will help with coming changes to select
the filter level we want timing for.

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