<fix>[zstackctl]: support remove prometheus data
<fix>[zstackctl]: support remove prometheus data

corrupt of data causes prometheus start failure and
in most cases management node cannot sucessfully start
because prometheus failure.

this command can be used to remove  prometheus and
prometheus2 data directory

Resolves: ZSTAC-42913

Change-Id: I646f7679796c6f6a67786e78636a6e6e6e786678

zstackio/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility