remove duplicate property (#1119)

Co-authored-by: Tobias Bannwart <[email protected]>

Author: whjvenyl

packages/webawesome/src/components/callout/callout.ts

@@ -22,7 +22,7 @@ export default class WaCallout extends WebAwesomeElement {
   static css = [styles, variantStyles, sizeStyles];
 
   /** The callout's theme variant. Defaults to `brand` if not within another element with a variant. */
-  @property({ reflect: true }) variant: 'brand' | 'neutral' | 'success' | 'warning' | 'danger' | 'brand' = 'brand';
+  @property({ reflect: true }) variant: 'brand' | 'neutral' | 'success' | 'warning' | 'danger' = 'brand';
 
   /** The callout's visual appearance. */
   @property({ reflect: true }) appearance: