Facebook: merge react index.classic.fb and index.modern.fb

These export the same.

NOTE: The 2 builds are still different based on flags and other forked files.

Author: kassens

packages/react/index.classic.fb.js renamed to packages/react/index.fb.js

@@ -10,50 +10,50 @@
 export {
   __CLIENT_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE,
   act,
+  cache,
   Children,
-  Component,
-  Fragment,
-  Profiler,
-  PureComponent,
-  StrictMode,
-  Suspense,
   cloneElement,
+  Component,
   createContext,
   createElement,
   createRef,
-  use,
+  experimental_useEffectEvent,
   forwardRef,
+  Fragment,
   isValidElement,
   lazy,
   memo,
-  cache,
+  Profiler,
+  PureComponent,
   startTransition,
+  StrictMode,
+  Suspense,
   unstable_Activity,
-  unstable_TracingMarker,
   unstable_DebugTracingMode,
+  unstable_getCacheForType,
   unstable_LegacyHidden,
   unstable_Scope,
   unstable_SuspenseList,
-  unstable_getCacheForType,
+  unstable_TracingMarker,
   unstable_useCacheRefresh,
-  useId,
+  use,
+  useActionState,
   useCallback,
   useContext,
   useDebugValue,
   useDeferredValue,
   useEffect,
-  experimental_useEffectEvent,
+  useId,
   useImperativeHandle,
-  useLayoutEffect,
   useInsertionEffect,
+  useLayoutEffect,
   useMemo,
   useOptimistic,
   useReducer,
   useRef,
   useState,
   useSyncExternalStore,
   useTransition,
-  useActionState,
   version,
 } from './src/ReactClient';