chore(core): remove experimental from state

packages/core/src/store/state.ts

@@ -114,10 +114,6 @@ export function useState(): State {
 
     disableKeyboardA11y: false,
     ariaLiveMessage: '',
-
-    __experimentalFeatures: {
-      nestedFlow: false,
-    },
   }
 }
 

packages/core/src/types/flow.ts

@@ -197,10 +197,6 @@ export interface FlowProps {
 
   autoPanOnConnect?: boolean
   autoPanOnNodeDrag?: boolean
-
-  __experimentalFeatures?: {
-    nestedFlow?: boolean
-  }
 }
 
 // Todo: Remove in next major version