function(key) {
        this._removeAddsOrRemoves(this.counters.increment, key);
        if (this.counters.remove.indexOf(key) === -1) {
            this.counters.remove.push(key);
        }
        return this;
    }
function(key) {
        this._removeAddsOrRemoves(this.counters.increment, key);
        if (this.counters.remove.indexOf(key) === -1) {
            this.counters.remove.push(key);
        }
        return this;
    }
function ( key ) { this . _removeAddsOrRemoves ( this . counters . increment , key ) ; if ( this . counters . remove . indexOf ( key ) === - 1 ) { this . counters . remove . push ( key ) ; } return this ; }
Remove a counter from a map.
@method removeCounter
@param {String} key the key in the map for this counter.
@chainable
Remove a counter from a map .