Remove isReactNative check

Author: sbuggay

front_end/panels/timeline/TimelineFlameChartDataProvider.ts

@@ -615,7 +615,9 @@ export class TimelineFlameChartDataProvider extends Common.ObjectWrapper.ObjectW
     // In CPU Profiles the trace data will not have frames nor
     // screenshots, so we can keep this call as it will be a no-op in
     // these cases.
-    this.#appendFramesAndScreenshotsTrack();
+    if (!this.isReactNative) {
+      this.#appendFramesAndScreenshotsTrack();
+    }
 
     const weight = (track: {type?: string, forMainFrame?: boolean, appenderName?: TrackAppenderName}): number => {
       switch (track.appenderName) {