win32u: Remove now unnecessary rawinput_device_get_usages.

dlls/win32u/rawinput.c

@@ -316,25 +316,6 @@ static struct device *find_device_from_handle( HANDLE handle )
     return NULL;
 }
 
-BOOL rawinput_device_get_usages( HANDLE handle, USAGE *usage_page, USAGE *usage )
-{
-    struct device *device;
-
-    pthread_mutex_lock( &rawinput_mutex );
-
-    if (!(device = find_device_from_handle( handle )) || device->info.dwType != RIM_TYPEHID)
-        *usage_page = *usage = 0;
-    else
-    {
-        *usage_page = device->info.hid.usUsagePage;
-        *usage = device->info.hid.usUsage;
-    }
-
-    pthread_mutex_unlock( &rawinput_mutex );
-
-    return *usage_page || *usage;
-}
-
 /**********************************************************************
  *         NtUserGetRawInputDeviceList   (win32u.@)
  */

dlls/win32u/win32u_private.h

@@ -146,7 +146,6 @@ extern void pack_user_message( void *buffer, size_t size, UINT message,
 
 /* rawinput.c */
 extern BOOL process_rawinput_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data );
-extern BOOL rawinput_device_get_usages( HANDLE handle, USHORT *usage_page, USHORT *usage );
 
 /* scroll.c */
 extern void draw_nc_scrollbar( HWND hwnd, HDC hdc, BOOL draw_horizontal, BOOL draw_vertical );