remove beta flags since page is beta

Author: kmcfaul

packages/react-drag-drop/src/next/components/DragDrop/examples/DragDrop.md

@@ -21,12 +21,12 @@ import { DragDropSort, DraggableObject } from '@patternfly/react-drag-drop';
 
 ### Basic drag and drop sorting
 
-```ts isBeta file="./BasicSorting.tsx"
+```ts file="./BasicSorting.tsx"
 
 ```
 
 ### Basic drag and drop sorting with drag button
 
-```ts isBeta file="./BasicSortingWithDragButton.tsx"
+```ts file="./BasicSortingWithDragButton.tsx"
 
 ```

packages/react-drag-drop/src/next/components/DragDrop/examples/DragDropDemos.md

@@ -24,7 +24,7 @@ To enable drag and drop for compatible components, wrap the component with `<Dra
 
 To enable reordering in a `<DataList>`, wrap the `<DataList>` component with `<DragDropSort>` and define the `variant` as "DataList".
 
-```ts isBeta file="./DataListDraggable.tsx"
+```ts file="./DataListDraggable.tsx"
 
 ```