use the default recovery UI

The key handling we use for deb is now the recovery default; we no
longer need a subclass of ScreenRecoveryUI.

Change-Id: I6ce2a48c66f3360a32c3aa8ba92f30d40c2bbe3f

recovery/recovery_ui.cpp

@@ -34,37 +34,11 @@ const char* ITEMS[] = { "reboot system now",
                         "wipe cache partition",
                         NULL };
 
-class DebUI : public ScreenRecoveryUI
-{
-public:
-    DebUI() :
-        consecutive_power_keys(0) {
-    }
-
-    virtual KeyAction CheckKey(int key) {
-        if (IsKeyPressed(KEY_POWER) && key == KEY_VOLUMEUP) {
-            return TOGGLE;
-        }
-        if (key == KEY_POWER) {
-            ++consecutive_power_keys;
-            if (consecutive_power_keys >= 7) {
-                return REBOOT;
-            }
-        } else {
-            consecutive_power_keys = 0;
-        }
-        return ENQUEUE;
-    }
-
-private:
-    int consecutive_power_keys;
-};
-
 class DebDevice : public Device
 {
 public:
     DebDevice() :
-        ui(new DebUI) {
+        ui(new ScreenRecoveryUI) {
     }
 
     RecoveryUI* GetUI() { return ui; }