regulator: max77503: remove unused struct 'max77503_dev'

'max77503_dev' is unused since the original
commit a0c543b ("regulator: max77503: Add ADI MAX77503 support").

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://msgid.link/r/20240528174659.53022-1-linux@treblig.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Dr. David Alan Gilbert

drivers/regulator/max77503-regulator.c

@@ -25,14 +25,6 @@
 #define MAX77503_AD_ENABLED			0x1
 #define MAX77503_AD_DISABLED		0x0
 
-struct max77503_dev {
-	struct device *dev;
-	struct device_node *of_node;
-	struct regulator_desc desc;
-	struct regulator_dev *rdev;
-	struct regmap *regmap;
-};
-
 static const struct regmap_config max77503_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,