Remove the specified member from the set value stored at key. If member was not a member of the
set no operation is performed. If key does not hold a set value an error is returned.
<p>
Time complexity O(1)
@param key
@param members
@return Integer reply, specifically: 1 if the new element was removed 0 if the new element was
not a member of the set
Remove the specified member from the set value stored at key. If member was not a member of the set no operation is performed. If key does not hold a set value an error is returned. <p> Time complexity O(1) @param key @param members @return Integer reply, specifically: 1 if the new element was removed 0 if the new element was not a member of the set