Revert "[android] Support Joy-Con D-pad buttons (#4225)"

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/InputDialogFragment.kt

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2024 yuzu Emulator Project
@@ -169,7 +169,7 @@ class InputDialogFragment : DialogFragment() {
         NativeInput.onGamePadButtonEvent(
             controllerData.getGUID(),
             controllerData.getPort(),
-            InputHandler.getButtonIdFromEvent(event),
+            event.keyCode,
             action
         )
         onInputReceived(event.device)

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/InputHandler.kt

@@ -49,12 +49,6 @@ object InputHandler {
         MotionEvent.AXIS_RTRIGGER
     )
 
-    // Currently, Android doesn't support Joy-Con D-pad buttons. We fall back to the scan code
-    private const val LINUX_BUTTON_DPAD_UP = 0x220
-    private const val LINUX_BUTTON_DPAD_DOWN = 0x221
-    private const val LINUX_BUTTON_DPAD_LEFT = 0x222
-    private const val LINUX_BUTTON_DPAD_RIGHT = 0x223
-
     fun isPhysicalGameController(device: InputDevice?): Boolean {
         device ?: return false
 
@@ -93,25 +87,12 @@ object InputHandler {
         NativeInput.onGamePadButtonEvent(
             controllerData.getGUID(),
             controllerData.getPort(),
-            getButtonIdFromEvent(event),
+            event.keyCode,
             action
         )
         return true
     }
 
-    fun getButtonIdFromEvent(event: KeyEvent): Int {
-        if (event.keyCode == 0) {
-            return when (event.scanCode) {
-                LINUX_BUTTON_DPAD_UP -> KeyEvent.KEYCODE_DPAD_UP
-                LINUX_BUTTON_DPAD_DOWN -> KeyEvent.KEYCODE_DPAD_DOWN
-                LINUX_BUTTON_DPAD_LEFT -> KeyEvent.KEYCODE_DPAD_LEFT
-                LINUX_BUTTON_DPAD_RIGHT -> KeyEvent.KEYCODE_DPAD_RIGHT
-                else -> return 0
-            }
-        }
-        return event.keyCode
-    }
-
     fun dispatchGenericMotionEvent(event: MotionEvent): Boolean {
         val controllerData =
             androidControllers[event.device.controllerNumber] ?: return false