fix: Remove https port mappings from new app during clone

Closes #3446

plugins/proxy/post-certs-remove

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -eo pipefail
+[[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
+source "$PLUGIN_AVAILABLE_PATH/config/functions"
+source "$PLUGIN_AVAILABLE_PATH/proxy/functions"
+
+trigger-proxy-post-certs-remove() {
+  declare desc="unset port config vars after SSL cert is removed"
+  local trigger="nginx_post_certs_remove"
+  local APP="$1"
+
+  config_unset --no-restart "$APP" DOKKU_PROXY_SSL_PORT
+
+  # shellcheck disable=SC2046
+  remove_proxy_ports "$APP" $(filter_app_proxy_ports "$APP" "https" "443")
+}
+
+trigger-proxy-post-certs-remove "$@"