[media] atomisp: remove sh_css_irq - it contains nothing

We won't be adding abstractions or moving them here so kill it.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/atomisp/pci/atomisp2/Makefile

@@ -108,7 +108,6 @@ atomisp-objs += \
 	css2400/sh_css_metadata.o \
 	css2400/base/refcount/src/refcount.o \
 	css2400/base/circbuf/src/circbuf.o \
-	css2400/sh_css_irq.o \
 	css2400/camera/pipe/src/pipe_binarydesc.o \
 	css2400/camera/pipe/src/pipe_util.o \
 	css2400/camera/pipe/src/pipe_stagedesc.o \

drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_irq.c

-/*
- * Support for Intel Camera Imaging ISP subsystem.
- * Copyright (c) 2015, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- */
-
-/* This file will contain the code to implement the functions declared in ia_css_irq.h
-   and associated helper functions */