dix: remove obsolete comment.from EnableDevice.

The code this comment was referring to was removed in
8b5086250a "Eliminate bogus event resizing."

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Keith Packard <keithp@keithp.com>

dix/devices.c

@@ -311,10 +311,6 @@ EnableDevice(DeviceIntPtr dev, BOOL sendevent)
         }
     }
 
-    /* Before actually enabling the device, we need to make sure the event
-     * list's events have enough memory for a ClassesChangedEvent from the
-     * device
-     */
     if ((*prev != dev) || !dev->inited ||
 	((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) {
         ErrorF("[dix] couldn't enable device %d\n", dev->id);