Update time-to-display.mdx to remove the indication that TTID/TTFD doesn't work with the new architecture (#14662)

Time To Initial Display / Time To Full Display works with the new
architecture after certain changes done in the past:
getsentry/sentry-react-native#5081
It still needs to be re-implemented as a turbo module, and that will be
handled later but at least it can be used now.

Author: alwx

docs/platforms/react-native/tracing/instrumentation/time-to-display.mdx

@@ -83,7 +83,7 @@ function MyComponent() {
 
 ## Troubleshooting
 
-- Time To Display is not available on Web and React Native New Architecture yet.
+- Time To Display is not available on Web yet.
 
 - Time To Display supports Expo applications, but doesn't work for Expo Go. Build the native projects to test this feature.