Revert "dist: align ami option with others (-a --> --ami)"
Revert "dist: align ami option with others (-a --> --ami)"

This reverts commit 312f1c9d984991af9f900bf09db22f8438cdd96e.

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