HAVE_XRANDR: remove macro as randr is mandatory

Because support in X11 Xorg is prevalent for the RandR protocol, fvwm3
has mandated for some time that RandR is a required dependency, and not
optional.

Thus, remove surrounding guards for '#ifdef HAVE_XRANDR' as they're no
longer needed.

fvwm/events.c

@@ -1765,7 +1765,6 @@ static void __refocus_stolen_focus_win(const evh_args_t *ea)
 
 /* ---------------------------- event handlers ----------------------------- */
 
-#ifdef HAVE_XRANDR
 void monitor_update_ewmh(void)
 {
 	FvwmWindow	*t;
@@ -1831,7 +1830,6 @@ monitor_emit_broadcast(void)
 		}
 	}
 }
-#endif
 
 void HandleButtonPress(const evh_args_t *ea)
 {
@@ -4078,7 +4076,6 @@ void dispatch_event(XEvent *e)
 
 	XFlush(dpy);
 
-#if HAVE_XRANDR
 	XRRScreenChangeNotifyEvent *sce;
 
 	switch (e->type - randr_event) {
@@ -4091,7 +4088,6 @@ void dispatch_event(XEvent *e)
 			break;
 		}
 	}
-#endif
 
 	if (w == Scr.Root)
 	{

fvwm/fvwm3.c

@@ -1305,9 +1305,7 @@ static void setVersionInfo(void)
 #ifdef HAVE_BIDI
 	strcat(support_str, " Bidi text,");
 #endif
-#ifdef HAVE_XRANDR
 	strcat(support_str, " XRandR,");
-#endif
 #ifdef HAVE_XRENDER
 	strcat(support_str, " XRender,");
 #endif

libs/FScreen.c

@@ -29,12 +29,6 @@
 #include "FScreen.h"
 #include "FEvent.h"
 
-#ifdef HAVE_XRANDR
-#	define IS_RANDR_ENABLED 1
-#else
-#	define IS_RANDR_ENABLED 0
-#endif
-
 #define GLOBAL_SCREEN_NAME "_global"
 
 /* In fact, only corners matter -- there will never be GRAV_NONE */

libs/fvwm_x11.h

@@ -11,6 +11,7 @@
 #include <X11/cursorfont.h>
 #include <X11/Xproto.h>
 #include <X11/Intrinsic.h>
+#include <X11/extensions/Xrandr.h>
 
 #ifdef XPM
 #define XpmSupport 1
@@ -46,10 +47,6 @@ typedef Picture XRenderPicture;
 #include <fontconfig/fontconfig.h>
 #endif
 
-#ifdef HAVE_XRANDR
-#include <X11/extensions/Xrandr.h>
-#endif
-
 #ifdef SHAPE
 #include <X11/extensions/shape.h>
 #endif