backlight: platform_lcd: Remove include statement for <linux/backlight.h>

This lcd driver does not depend on backlight interfaces. Remove the
include statement.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240906075439.98476-17-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>

Author: tdz

drivers/video/backlight/platform_lcd.c

@@ -10,7 +10,6 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/fb.h>
-#include <linux/backlight.h>
 #include <linux/lcd.h>
 #include <linux/slab.h>