How to remove scrollbars for a combobox in extjs2
<p>I want to remove the scrollbars for the combox box</p>

<pre><code>                                new Ext.form.ComboBox({
                                    name:'cmbRating',
                                    id:'cmbRat',
                                    store: new Ext.data.SimpleStore({
                                        fields: ["wordRating","wordRatingValue"],
                                        data: [["0","XXXX Word"],["1","AAAAA Word"],["2","SSSSS Word"]]
                                    }),
                                    displayField:'wordRatingValue',
                                    valueField:"wordRating",
                                    mode: 'local',
                                    triggerAction: 'all',
                                    forceSelection: true,
                                    editable: false,
                                    allowBlank: false,
                                    blankText: 'Plase choose a rating.',
                                    fieldLabel: '*Rating',
                                    anchor: '90%'
                                })
</code></pre>

<p>this is the code i am using, in local IE11 browser no scrollbars are coming when i deploy the same thing in our testing environment i am getting the scrollbars like this
<a href="https://i.stack.imgur.com/FN7tz.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FN7tz.gif" alt="enter image description here"></a>
please suggest me how to resolve this issue</p>