function(key) {
        this._removeAddsOrRemoves(this.registers.set, key);
        if (this.registers.remove.indexOf(key) === -1) {
            this.registers.remove.push(key);
        }
        return this;
    }
function(key) {
        this._removeAddsOrRemoves(this.registers.set, key);
        if (this.registers.remove.indexOf(key) === -1) {
            this.registers.remove.push(key);
        }
        return this;
    }
function ( key ) { this . _removeAddsOrRemoves ( this . registers . set , key ) ; if ( this . registers . remove . indexOf ( key ) === - 1 ) { this . registers . remove . push ( key ) ; } return this ; }
Remove a register from a map.
@method removeRegister
@param {String} key the key for the register in the map.
@chainable
Remove a register from a map .