media: ccs: Remove unused declarations

Commit 2989a45 ("media: ccs: Refactor register reading a little")
removed ccs_read_addr_no_quirk() but left declaration.

Commit 5293221 ("media: ccs: Use V4L2 CCI for accessing sensor
registers") removed ccs_write_addr_no_quirk() and ccs_reg_width() but
leave their declarations.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

Author: Yue Haibing

drivers/media/i2c/ccs/ccs-reg-access.h

@@ -21,16 +21,13 @@
 
 struct ccs_sensor;
 
-int ccs_read_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 *val);
 int ccs_read_addr(struct ccs_sensor *sensor, u32 reg, u32 *val);
 int ccs_read_addr_8only(struct ccs_sensor *sensor, u32 reg, u32 *val);
 int ccs_read_addr_noconv(struct ccs_sensor *sensor, u32 reg, u32 *val);
-int ccs_write_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 val);
 int ccs_write_addr(struct ccs_sensor *sensor, u32 reg, u32 val);
 int ccs_write_data_regs(struct ccs_sensor *sensor, struct ccs_reg *regs,
 			size_t num_regs);
 
-unsigned int ccs_reg_width(u32 reg);
 u32 ccs_reg_conv(struct ccs_sensor *sensor, u32 reg, u32 val);
 
 #define ccs_read(sensor, reg_name, val) \