Simplify README by removing redundant input details

README.md

@@ -61,10 +61,8 @@ inputs like paddles, touchpads and share buttons show up when the hardware repor
 
 **Dolphin-compatible input expressions.** 
 Each GameCube control can carry an expression in Dolphin's input syntax, with the same operators
-(`!` `&` `|` `^`) and the same functions (`if`, `min`, `max`, `clamp`, `timer`, `toggle`, `hold`,
-`tap`, `pulse`, `smooth`, `deadzone`), evaluated against the same wall-clock timing. A Dolphin
-`GCPadNew.ini` can be imported directly from the F10 bar. Stick axes are not covered by expressions
-and keep their normal mapping.
+and the same functions.
+A Dolphin `GCPadNew.ini` can be imported directly from the F10 bar.
 
 **Vibration toggle.** 
 Force feedback can be turned off for every port at once.
@@ -73,20 +71,7 @@ adapter must be switched to the WinUSB driver once (Zadig).
 
 **Real Wii Remotes over Bluetooth.**
 Pair a Wii Remote with Windows (Settings > Bluetooth > Add device, press 1+2 or SYNC, leave the
-PIN empty) and the game reads it as an actual Wii Remote through KPAD: Wii Remote icons and
-prompts, Wii Wheel tilt steering, wheelies and tricks all come from the game's own motion code.
-Nunchuk and Classic Controller are real Wii extensions too: the game gets the Nunchuk's stick,
-C/Z and accelerometer, and the Classic Controller through `KPADGetUnifiedWpadStatus` with its own
-layout and icons, so its buttons do what the game says they do and no mapping is involved. Plug an
-extension in or pull it out mid-game and the game switches control scheme like on the console
-(the runtime patches SDL's Wii driver, which otherwise loses the remote for good on an extension
-change). Only the Wii U Pro Controller, which has no Wii-era equivalent, is fed to the game as a
-GameCube pad with Nintendo's layout. If a remote drops out or was switched on after launch, the
-runtime keeps rescanning Bluetooth until it comes back (F10 > Controller settings > Wii Remotes). SDL's read of
-the remote's factory accelerometer calibration often times out over Bluetooth (`console.log`
-then says "Using fallback accelerometer calibration") and it falls back to a nominal zero point,
-so the same menu has a one-button calibration (remote flat, buttons up) that removes the small
-tilt offset some remotes show.
+PIN empty)
 
 Known limitations of the Wii Remote path:
 - No IR pointer yet: menus are navigated with the D-pad and A (the game treats the remote as