[gtk/win32-enable-werror: 9/10] win32: Remove outdated workaround

[Benjamin Otte <otte src gnome org>]

commit 143bba075fe637554b7f2b41c2caf5811d5b49c5
Author: Benjamin Otte <otte redhat com>
Date:   Tue May 21 07:33:13 2019 +0200

    win32: Remove outdated workaround
    
    The function that was missing in 2016 does exist now.
    
    Fixes gcc complaining about a wrong declaration.

 gdk/win32/gdkmonitor-win32.c | 14 --------------
 1 file changed, 14 deletions(-)
---
diff --git a/gdk/win32/gdkmonitor-win32.c b/gdk/win32/gdkmonitor-win32.c
index 108e5083ed..e631dc5a7e 100644
--- a/gdk/win32/gdkmonitor-win32.c
+++ b/gdk/win32/gdkmonitor-win32.c
@@ -144,20 +144,6 @@ typedef LONG
 #define MONITORINFOF_PRIMARY 1
 #endif
 
-/* MinGW-w64 does not have a prototype for function in its headers
- * at the moment of writing.
- */
-#if !defined (HAVE_SETUP_DI_GET_DEVICE_PROPERTY_W)
-BOOL WINAPI SetupDiGetDevicePropertyW (HDEVINFO          DeviceInfoSet,
-                                       PSP_DEVINFO_DATA  DeviceInfoData,
-                                       const DEVPROPKEY *PropertyKey,
-                                       DEVPROPTYPE      *PropertyType,
-                                       PBYTE             PropertyBuffer,
-                                       DWORD             PropertyBufferSize,
-                                       PDWORD            RequiredSize,
-                                       DWORD             Flags);
-#endif
-
 #define G_GUID_FORMAT "%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X"
 #define g_format_guid(guid) (guid)->Data1, \
                             (guid)->Data2, \