regulator: tps6507x: Remove unused *rdev[] from struct tps6507x_pmic

This driver is using devm_regulator_register so no need to save *rdev for
clean up.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/tps6507x-regulator.c

@@ -115,7 +115,6 @@ static struct tps_info tps6507x_pmic_regs[] = {
 struct tps6507x_pmic {
 	struct regulator_desc desc[TPS6507X_NUM_REGULATOR];
 	struct tps6507x_dev *mfd;
-	struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR];
 	struct tps_info *info[TPS6507X_NUM_REGULATOR];
 	struct mutex io_lock;
 };
@@ -505,9 +504,6 @@ static int tps6507x_pmic_probe(struct platform_device *pdev)
 				pdev->name);
 			return PTR_ERR(rdev);
 		}
-
-		/* Save regulator for cleanup */
-		tps->rdev[i] = rdev;
 	}
 
 	tps6507x_dev->pmic = tps;