Update create-component.md

Author: yifwang

powerapps-docs/maker/canvas-apps/create-component.md

@@ -179,7 +179,6 @@ So far, you've created a component and added it to an app. Next, you'll create a
 ## Known limitations
 
 - As of this writing, data sources aren't saved with components, so forms and data tables are disabled.
-- If you create a variable in a component, that variable is scoped only to that component and doesn't appear with app variables.
 - PowerApps doesn't support collections in components.
 - You can't insert a component into a gallery, a form, or a data card.
 - A master instance of a component is a local master and scoped to the app. If you change a master instance, only copies of the component within the app will reflect the change. Copies in other apps will remain the same unless you import the component library again. All master instances in those apps will be automatically detected and updated.