Simplify macro guards for HAVE_XRANDR

Source/Core/UICommon/X11Utils.h

@@ -7,7 +7,7 @@
 #include <string>
 #include <vector>
 
-#if defined(HAVE_XRANDR) && HAVE_XRANDR
+#ifdef HAVE_XRANDR
 #include <X11/extensions/Xrandr.h>
 #endif
 #include <X11/Xlib.h>
@@ -26,7 +26,7 @@ Display* XDisplayFromHandle(void* Handle);
 
 void InhibitScreensaver(Window win, bool suspend);
 
-#if defined(HAVE_XRANDR) && HAVE_XRANDR
+#ifdef HAVE_XRANDR
 class XRRConfiguration
 {
 public: