fix: remove unused flag

Author: colinaaa

packages/react/runtime/types/types.d.ts

@@ -12,7 +12,6 @@ declare global {
   declare const __DISABLE_CREATE_SELECTOR_QUERY_INCOMPATIBLE_WARNING__: boolean;
   declare const __REF_FIRE_IMMEDIATELY__: boolean;
   declare const __TESTING_FORCE_RENDER_TO_OPCODE__: boolean;
-  declare const __REACT_LYNX_RUNTIME_TEST__: boolean;
   declare const __FIRST_SCREEN_SYNC_TIMING__: 'immediately' | 'jsReady';
   declare const __DEV__: boolean;
   declare const __JS__: boolean;

packages/react/runtime/vitest.config.ts

@@ -58,9 +58,6 @@ export default defineConfig({
   plugins: [
     transformReactLynxPlugin(),
   ],
-  define: {
-    '__REACT_LYNX_RUNTIME_TEST__': JSON.stringify(true),
-  },
   resolve: {
     alias: {
       '@lynx-js/react/compat': path.resolve(__dirname, './compat/index.js'),