Input: tps6507x-ts - remove variable loops

The variable loops is being incremented but is never referenced,
it is redundant and can be removed.

Signed-off-by: Colin Ian King <[e-mail]>
Reviewed-by: Mattijs Korpershoek <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/touchscreen/tps6507x-ts.c

···
 static s32 tps6507x_adc_standby(struct tps6507x_ts *tsc)
 {
 	s32 ret;
-	s32 loops = 0;
 	u8 val;
 
 	ret = tps6507x_write_u8(tsc,  TPS6507X_REG_ADCONFIG,
···
 		ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
 		if (ret)
 			return ret;
-		loops++;
 	}
 
 	return ret;