How to override labelSeparator property at framework level

[naveen.kumar]

Please tell me how to override labelseprator propertyglobally so that when we add any label in form ":" will never come. currently it come by default.I want to make this thing as a component or theme leve so that it will never come in our custom theme or component.Please provide me code for it.

[redraid]

Ext.form.Labelable mixin - override label settings in base field:

Ext.form.BaseField.override({
labelSeparator: ''
});