Removes all elements in the sorted set stored at key with a score between
min and max (inclusive).
Since version 2.1.6, min and max can be exclusive, following the syntax of
ZRANGEBYSCORE.
@return
@integer-reply: the number of elements removed.
@examples
ZADD myzset 1 "one"
ZADD myzset 2 "two"
ZADD myzset 3 "three"
ZREMRANGEBYSCORE myzset -inf (2
ZRANGE myzset 0 -1 WITHSCORES