inhibit: don't abort when directaccess is not enabled When directaccess is not enabled, we should just print a warning and not set up inhibit. We don't need to abort in that case. Example: if the user is running hg showconfig, we don't want to crash as the command is unrelated to inhibit.

test-drop.t
test-simple4server.t
tests/test-simple4server-bundle2.t