media: mantis: remove orphan mantis_core.h

This file has been an orphan ever since commit b3b961448f70
("V4L/DVB (13795): [Mantis/Hopper] Code overhaul, add Hopper
devices into the PCI ID list"), having no references except
for the orphan removed by commit 519648bed470 ("media: mantis:
remove orphan mantis_core.c")

Fixes: b3b961448f70 ("V4L/DVB (13795): [Mantis/Hopper] Code overhaul, add Hopper devices into the PCI ID list")
Link: https://patchwork.linuxtv.org/project/linux-media/patch/[e-mail]/
Signed-off-by: Bjørn Mork <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/pci/mantis/mantis_core.h

···
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
-	Mantis PCI bridge driver
-
-	Copyright (C) Manu Abraham ([e-mail])
-
-*/
-
-#ifndef __MANTIS_CORE_H
-#define __MANTIS_CORE_H
-
-#include "mantis_common.h"
-
-
-#define FE_TYPE_SAT	0
-#define FE_TYPE_CAB	1
-#define FE_TYPE_TER	2
-
-#define FE_TYPE_TS204	0
-#define FE_TYPE_TS188	1
-
-
-struct vendorname {
-	u8  *sub_vendor_name;
-	u32 sub_vendor_id;
-};
-
-struct devicetype {
-	u8  *sub_device_name;
-	u32 sub_device_id;
-	u8  device_type;
-	u32 type_flags;
-};
-
-
-extern int mantis_dma_init(struct mantis_pci *mantis);
-extern int mantis_dma_exit(struct mantis_pci *mantis);
-extern void mantis_dma_start(struct mantis_pci *mantis);
-extern void mantis_dma_stop(struct mantis_pci *mantis);
-extern int mantis_i2c_init(struct mantis_pci *mantis);
-extern int mantis_i2c_exit(struct mantis_pci *mantis);
-
-#endif /* __MANTIS_CORE_H */