Syntax: CLEAR channel what
Tells ChanServ to clear certain settings on a channel.  what can be any of the following:

    MODES - Resets all modes on the channel (i.e. clears
                  modes i,k,l,m,n,p,s,t).
    BANS - Clears all bans on the channel.
    EXCEPTS - Clears all excepts on the channel.
    INVITES - Clears all invites on the channel.
    OPS - Removes channel-operator status (mode +o) from
                  all channel operators.
    HOPS - Removes channel-halfoperator status (mode +h) from
                  all channel halfoperators, if supported.
    VOICES - Removes "voice" status (mode +v) from anyone
                  with that mode set.
    USERS - Removes (kicks) all users from the channel.
By default, limited to those with founder access on the channel.