cleanup external references to nginx-vhosts plugin

plugins/00_dokku-standard/subcommands/deploy

@@ -102,7 +102,7 @@ dokku_deploy_cmd() {
         kill -9 $$
       }
 
-      # run checks first, then post-deploy hooks, which switches Nginx traffic
+      # run checks first, then post-deploy hooks, which switches proxy traffic
       trap 'kill_new $id' INT TERM EXIT
       if [[ "$(is_app_proctype_checks_disabled "$APP" "$PROC_TYPE")" == "false" ]]; then
         dokku_log_info1 "Attempting pre-flight checks"

plugins/00_dokku-standard/subcommands/version

@@ -1,10 +1,6 @@
 #!/usr/bin/env bash
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
-source "$PLUGIN_AVAILABLE_PATH/checks/functions"
-source "$PLUGIN_AVAILABLE_PATH/config/functions"
-source "$PLUGIN_AVAILABLE_PATH/nginx-vhosts/functions"
-source "$PLUGIN_CORE_AVAILABLE_PATH/proxy/functions"
 
 dokku_version_cmd() {
   declare desc="prints dokku version"