docs: Remove intro sentence from _forms-checkbox_styleguide.md

packages/documentation/docs/controls/_forms-checkbox_styleguide.md

@@ -1,6 +1,6 @@
 ## Guidelines
 
-A checkbox is a small interactive box that allows the user to toggle between an affirmative or negative choice. Checkboxes are commonly used when there are multiple options that can be selected or to easily enable or disable a setting. They are often utilized in forms where users can choose multiple options, such as selecting items or categories that apply to a specific product or service.
+Checkboxes are commonly used when there are multiple options that can be selected or to easily enable or disable a setting. They are often utilized in forms where users can choose multiple options, such as selecting items or categories that apply to a specific product or service.
 
 ![Checkbox anatomy](https://www.figma.com/design/wEptRgAezDU1z80Cn3eZ0o/iX-Pattern-Illustrations?node-id=3364-8247&t=VCAAFzKIYCDb7nIX-4)