fix: remove usb keyboard support

README.md

@@ -257,7 +257,7 @@ that creates its tag, and installed apps offer exactly the tested files on their
 </details>
 
 <details>
-<summary><b>Changes to upstream ps5-react</b></summary>
+<summary><b>Fixes over upstream ps5-react</b></summary>
 <br>
 
 Two fixes in the vendored framework, both in the build tooling and both reported by a Linux build:
@@ -269,13 +269,6 @@ Two fixes in the vendored framework, both in the build tooling and both reported
   which reads zstd only from Python 3.14 while the documented minimum is 3.12. It now falls back
   to the `zstd` command.
 
-One addition, for Overdrive's text fields:
-
-- **USB keyboard.** `ps5-react/native/ps5/usb_keyboard.cpp` reads a keyboard plugged into the console
-  through libSceKeyboard and hands typed characters (US layout) and Backspace, Enter, Escape and Tab to
-  the new `useKeyboardInput` hook (input protocol v6, see `ps5-react/docs/NAVIGATION.md`). Without a
-  keyboard nothing changes. It has no hardware evidence yet.
-
 Nothing else in the framework is changed.
 
 </details>