leds: Drop BUG_ON check for LED_COLOR_ID_MULTI

Commit c3f85318 ("leds: Fix BUG_ON check for LED_COLOR_ID_MULTI that
is always false") fixed a no-op BUG_ON. This turned out to cause a
regression, since some in-tree device-tree files already use
LED_COLOR_ID_MULTI.

Drop the BUG_ON altogether.

Fixes: c3f85318 ("leds: Fix BUG_ON check for LED_COLOR_ID_MULTI that is always false")
Reported-by: Da Xue <da@libre.computer>
Closes: https://lore.kernel.org/linux-leds/ZQLelWcNjjp2xndY@duo.ucw.cz/T/Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20230918140724.18634-1-kabel@kernel.orgSigned-off-by: Lee Jones <lee@kernel.org>

drivers/leds/led-core.c

@@ -479,10 +479,6 @@ int led_compose_name(struct device *dev, struct led_init_data *init_data,
 
 	led_parse_fwnode_props(dev, fwnode, &props);
 
-	/* We want to label LEDs that can produce full range of colors
-	 * as RGB, not multicolor */
-	BUG_ON(props.color == LED_COLOR_ID_MULTI);
-
 	if (props.label) {
 		/*
 		 * If init_data.devicename is NULL, then it indicates that