app_template: Correct outdated comment
app_template: Correct outdated comment

Signed-off-by: Jesse Haber-Kucharsky <526eadea4792054b99d5fa5dd6be9acdd76c5418@scylladb.com>
Message-Id: <dfc2a4b62ff222d41b50f081e8dc6896cbc4a480.1524163452.git.526eadea4792054b99d5fa5dd6be9acdd76c5418@scylladb.com>

avikivity/seastar,cloudius-systems/seastar,avikivity/seastar,scylladb/seastar,cloudius-systems/seastar,avikivity/seastar,scylladb/seastar,scylladb/seastar,dreamsxin/seastar,cloudius-systems/seastar,dreamsxin/seastar,dreamsxin/seastar,syuu1228/seastar,syuu1228/seastar,syuu1228/seastar