ASoC: samsung: i2s: Remove unused gpios field from struct i2s

The 'gpios' field in 'struct i2s' is now unused, this change
seems to be missing in commit 0429ffef
("ASoC: samsung: Remove obsolete GPIO based DT pinmuxing").
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/samsung/i2s.c

@@ -95,7 +95,6 @@ struct i2s_dai {
 	u32	suspend_i2smod;
 	u32	suspend_i2scon;
 	u32	suspend_i2spsr;
-	unsigned long gpios[7];	/* i2s gpio line numbers */
 	const struct samsung_i2s_variant_regs *variant_regs;
 };