After forking the Tabs Tray to Compose rewrite, we no longer need to have these Composable view holders in the original XML Tabs Tray. These can be removed.
Bug 1834890 Comment 0 Edit History
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After forking the Tabs Tray to Compose rewrite, we no longer need to have these Composable view holders in the original XML Tabs Tray. These , and their usages in `BrowserTabsAdapter` can be removed.