[PR #1444] include: drop obsolete hotplug.h

PR: #1444

Author: metux

hw/xfree86/sdksyms.sh

@@ -218,7 +218,6 @@ cat > sdksyms.c << EOF
 #include "closure.h"
 #include "colormap.h"
 #include "colormapst.h"
-#include "hotplug.h"
 #include "client.h"
 #include "cursor.h"
 #include "cursorstr.h"

include/hotplug.h

@@ -438,7 +438,6 @@ if build_xorg
             'closure.h',
             'colormap.h',
             'colormapst.h',
-            'hotplug.h',
             'cursor.h',
             'cursorstr.h',
             'dix.h',