refactor: call proxy-clear-config from post-app-rename-setup

plugins/nginx-vhosts/post-app-rename-setup

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -eo pipefail
+[[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
+source "$PLUGIN_AVAILABLE_PATH/nginx-vhosts/internal-functions"
+source "$PLUGIN_AVAILABLE_PATH/proxy/functions"
+
+trigger-nginx-vhosts-post-app-rename-setup() {
+  declare desc="calls proxy-clear-config"
+  declare trigger="post-app-rename-setup"
+  declare OLD_APP="$1" NEW_APP="$2"
+
+  plugn trigger proxy-clear-config "$NEW_APP"
+}
+
+trigger-nginx-vhosts-post-app-rename-setup "$@"