drm/rockchip: inno_hdmi: Drop irq struct member

The struct member irq isn't used anywhere. Drop it.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231222174220.55249-18-knaerzche@gmail.com

drivers/gpu/drm/rockchip/inno_hdmi.c

@@ -44,7 +44,6 @@ struct inno_hdmi_i2c {
 struct inno_hdmi {
 	struct device *dev;
 
-	int irq;
 	struct clk *pclk;
 	void __iomem *regs;