Apple has confirmed that the iPhone 13 and iPhone 13 Pro do without noise cancellation during phone calls, including the iPhone 13 mini and iPhone 13 Pro Max. Apple had included the feature in the iPhone 12 series and in older models to improve call quality in noise environments. However, it has not given a reason for removing this feature as of the iPhone 13 series.
https://www.notebookcheck.net/Apple-confirms-that-the-iPhone-13-and-iPhone-13-Pro-do-not-support-noise-cancellation-during-phone-calls.593572.0.html