[media] dvb: remove unused systime() function

The systime function uses struct timespec, which we want to stop
using in the kernel because it overflows in 2038. Fortunately,
this use in dibx000_common is in a function that is never called,
so we can just remove it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/dvb-frontends/dibx000_common.c

@@ -502,16 +502,6 @@ void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
 }
 EXPORT_SYMBOL(dibx000_exit_i2c_master);
 
-
-u32 systime(void)
-{
-	struct timespec t;
-
-	t = current_kernel_time();
-	return (t.tv_sec * 10000) + (t.tv_nsec / 100000);
-}
-EXPORT_SYMBOL(systime);
-
 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
 MODULE_DESCRIPTION("Common function the DiBcom demodulator family");
 MODULE_LICENSE("GPL");

drivers/media/dvb-frontends/dibx000_common.h

@@ -47,8 +47,6 @@ extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
 extern void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst);
 extern int dibx000_i2c_set_speed(struct i2c_adapter *i2c_adap, u16 speed);
 
-extern u32 systime(void);
-
 #define BAND_LBAND 0x01
 #define BAND_UHF   0x02
 #define BAND_VHF   0x04