bin/generate-samples: Remove warning about sleep

The sleep itself has been commented out for a long time (commit
04fa53b from September 2023, to be specific).

Signed-off-by: Stephen Finucane <stephen@that.guru>

Author: stephenfin

bin/generate-samples.sh

@@ -52,8 +52,6 @@ if [[ ${#files[@]} -eq 1 && "${files[0]}" != *'*'* ]]; then
     # shellcheck disable=SC2068
     java ${JAVA_OPTS} -jar "$executable" generate -c ${files[0]} ${args[@]}
 else
-    echo "Please press CTRL+C to stop or the script will continue in 5 seconds."
-    #sleep 5
     if [ ${#files[@]} -eq 0 ]; then
       files=("${root}"/bin/configs/*.yaml)
     fi