Enable toast docs in production (#4116)

Author: devongovett

packages/@react-aria/toast/docs/useToast.mdx

@@ -26,7 +26,6 @@ import {useToastRegion} from '@react-aria/toast';
 ---
 category: Status
 keywords: [toast, notifications, alert, aria]
-after_version: 3.0.0
 ---
 
 # useToast

packages/@react-spectrum/toast/docs/Toast.mdx

@@ -23,7 +23,6 @@ import {ToastContainer, ToastQueue} from '@react-spectrum/toast';
 ---
 category: Status
 keywords: [toast, notifications, alert]
-after_version: 3.0.0
 ---
 
 # Toast

packages/@react-stately/toast/docs/useToastState.mdx

@@ -17,7 +17,6 @@ import packageData from '@react-stately/toast/package.json';
 ---
 category: Status
 keywords: [toast, notifications, alert, state]
-after_version: 3.0.0
 ---
 
 # useToastState