fix(entrypoint): remove dead args passthrough

- Container args were never wired up in action.yml (no runs.args), so
  the positional-argument branch could never fire

entrypoint.sh

@@ -4,8 +4,6 @@ set -eu
 
 export GITHUB="true"
 
-[ -n "$*" ] && export TELEGRAM_MESSAGE="$*"
-
 # The runner exports every declared input as an env var even when unset,
 # and drone-telegram rejects an empty string for this integer flag.
 [ -z "${INPUT_MESSAGE_THREAD_ID:-}" ] && unset INPUT_MESSAGE_THREAD_ID