chore: remove all deprecated commands

This change removes all deprecated commands. In many cases, users have been warned for a number of releases before the commands have been removed. All commands that were removed have existing alternatives.

plugins/proxy/help-functions

@@ -27,7 +27,6 @@ help_desc
 fn-help-content() {
   declare desc="return help content"
   cat <<help_content
-    proxy <app>, [DEPRECATED] Show proxy settings for app
     proxy:disable <app>, Disable proxy for app
     proxy:enable <app>, Enable proxy for app
     proxy:ports <app>, List proxy port mappings for app

plugins/proxy/subcommands/default

@@ -1,27 +1,6 @@
 #!/usr/bin/env bash
 set -eo pipefail
 [[ $DOKKU_TRACE ]] && set -x
-source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
-source "$PLUGIN_AVAILABLE_PATH/proxy/functions"
+source "$PLUGIN_AVAILABLE_PATH/proxy/help-functions"
 
-cmd-proxy-default() {
-  declare desc="displays app proxy implementation via command line"
-  declare cmd="proxy"
-  [[ "$1" == "$cmd" ]] && shift 1
-  declare APP="$1"
-
-  local APPS=$(dokku_apps)
-  if [[ -n "$APP" ]]; then
-    local APPS="$APP"
-  fi
-
-  dokku_log_warn "Deprecated: Please use proxy:report"
-  dokku_col_log_info1_quiet "App Name" "Proxy Type"
-  local app
-  for app in $APPS; do
-    verify_app_name "$app"
-    dokku_col_log_msg "$app" "$(get_app_proxy_type "$app")"
-  done
-}
-
-cmd-proxy-default "$@"
+cmd-proxy-help "proxy:help"