Drop another ~1k lines from DOKKU_TRACE output

plugins/20_events/commands

@@ -2,8 +2,6 @@
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 
-PLUGIN_DIR="$(dirname $0)"
-
 case "$1" in
   events)
     if [[ -f $DOKKU_EVENTS_LOGFILE ]]; then
@@ -27,6 +25,7 @@ case "$1" in
     ;;
 
   events:list)
+    PLUGIN_DIR="$(dirname $0)"
     if [[ "$DOKKU_EVENTS" ]]; then
       logged="$(find $PLUGIN_DIR -type l -printf '%f ' | sort)"
       dokku_col_log_info2_quiet "Events currently logged"