docbook: don't use serial_core.h in device-drivers book

Fix new kernel-doc warning.  This file no longer contains
kernel-doc comments.

Warning(include/linux/serial_core.h): no structured comments found

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 1 deletions

diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index b638e50cf8f6..b330b327032a 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -216,7 +216,6 @@ X!Isound/sound_firmware.c
 
   <chapter id="uart16x50">
      <title>16x50 UART Driver</title>
-!Iinclude/linux/serial_core.h
 !Edrivers/tty/serial/serial_core.c
 !Edrivers/tty/serial/8250.c
   </chapter>