irda: irproc.c: Remove unneeded linux/miscdevice.h include

irproc.c does not use any miscdevice so this patch remove this
unnecessary inclusion.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/irda/irproc.c

@@ -23,7 +23,6 @@
  *
  ********************************************************************/
 
-#include <linux/miscdevice.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/module.h>