chore(react-native): Remove note about mixed profiling on RN (#9534)

Author: kahest

docs/platforms/react-native/profiling/index.mdx

@@ -24,7 +24,7 @@ Check out the <PlatformLink to="/performance/">performance setup documentation</
 
 <Note>
 
-Profiling for React Native is available in beta in SDK versions `5.8.0` and above. Currently, it supports profiling the JavaScript layer. Combined profiling with native Android/iOS layers isn't supported at this time.
+Profiling for React Native is available in beta in SDK versions `5.8.0` and above.
 
 </Note>