mfd: tps65218: Remove unused *rdev[] from struct tps65218

The *rdev[] is not used since commit 413be59e2f
"regulator: tps65218: Remove unnecessary regulator_unregister call".

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/tps65218.h

@@ -267,7 +267,6 @@ struct tps65218 {
 	u32 irq_mask;
 	struct regmap_irq_chip_data *irq_data;
 	struct regulator_desc desc[TPS65218_NUM_REGULATOR];
-	struct regulator_dev *rdev[TPS65218_NUM_REGULATOR];
 	struct tps_info *info[TPS65218_NUM_REGULATOR];
 	struct regmap *regmap;
 };