Procfile: avoid using sudo

Aside from the running-as-root issue, it also means that the user has to
enter their password sometimes, and that doesn't work really well with
hivemind.

Procfile

@@ -1,5 +1,5 @@
 # run with `hivemind``
-systemd-service: sleep 3 && sudo systemd-run --collect -u vault-nixos3.service -p LoadCredential=foo:$(pwd)/tmp/sock --wait --pipe cat '${CREDENTIALS_DIRECTORY}/foo'
+systemd-service: sleep 3 && systemd-run --user --collect -u vault-nixos3.service -p LoadCredential=foo:$(pwd)/tmp/sock --wait --pipe cat '${CREDENTIALS_DIRECTORY}/foo'
 vault: vault server -dev -dev-root-token-id secret
-vault-agent:  sleep 5 && ./tests/setup-vault && sudo vault agent -config ./tests/vault-agent-example.hcl
+vault-agent:  sleep 5 && ./tests/setup-vault && vault agent -config ./tests/vault-agent-example.hcl
 systemd-vaultd: go run . -secrets tmp/secrets -sock tmp/sock