Remove unnecessary filter for AppRegistry logs (#48367)

Summary:

Changelog: [internal]

We removed the calls to `AppRegistry` in Fantom, so this filter isn't necessary anymore (just a no-op).

Reviewed By: rshest

Differential Revision: D67600610

packages/react-native-fantom/runner/runner.js

@@ -47,10 +47,7 @@ function parseRNTesterCommandResult(result: ReturnType<typeof runBuck2>): {
 } {
   const stdout = result.stdout.toString();
 
-  const outputArray = stdout
-    .trim()
-    .split('\n')
-    .filter(log => !log.startsWith('Running "')); // remove AppRegistry logs.
+  const outputArray = stdout.trim().split('\n');
 
   // The last line should be the test output in JSON format
   const testResultJSON = outputArray.pop();