remove profile dependency

rig/ctrl/env.d/offline.env.example

@@ -0,0 +1,23 @@
+# EXAMPLE PROFILE. rig needs none of these: with no profile it runs on its
+# built-in defaults (lib/config.sh). To use this one, copy it to offline.env in this
+# directory and name it — PROFILE=offline in ctrl/.env, or on the command line. It
+# then overlays the defaults; anything it does not set, they still supply.
+#
+# offline — air-gapped. Everything comes from a local registry that was loaded
+# ahead of time; nothing reaches the internet. Pair with the deps-full image
+# (DEPS_SOURCE=baked) so the toolchain install is offline too.
+#
+# The heavier addons are left out to keep first boot viable.
+
+PROFILE_NAME=offline
+K8S_VERSION=v1_36
+KIND_CONFIG=kind-config.audit.yaml.tpl
+ADDONS="metallb"
+REGISTRY_MODE=local
+INGRESS_MODE=hostport
+DNS_MODE=hosts
+
+# Derived from the directory name by default — see ctrl/ports.sh.
+# Uncomment for the real ports, but only if this is the only environment.
+# HTTP_PORT=80
+# HTTPS_PORT=443