dist/redhat: drop very old %pre script
dist/redhat: drop very old %pre script

These lines are needed for very old version of scylla, not for 1.0.
Can be removed now.

Signed-off-by: Takuya ASADA <4ebfb6f510af412d6e89fefa3ab96d9c8b5e3fff@scylladb.com>
Message-Id: <1459177601-20269-1-git-send-email-4ebfb6f510af412d6e89fefa3ab96d9c8b5e3fff@scylladb.com>

scylladb/scylla,avikivity/scylla,duarten/scylla,scylladb/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla,kjniemi/scylla,avikivity/scylla,avikivity/scylla,kjniemi/scylla,raphaelsc/scylla,raphaelsc/scylla,raphaelsc/scylla,duarten/scylla,kjniemi/scylla