leds: rgb: Drop obsolete dependency on COMPILE_TEST

Since commit 0166dc11 ("of: make CONFIG_OF user selectable"), it
is possible to test-build any driver which depends on OF on any
architecture by explicitly selecting OF. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20231202214353.7c02f23c@endymion.delvareSigned-off-by: Lee Jones <lee@kernel.org>

drivers/leds/rgb/Kconfig

@@ -4,7 +4,7 @@ if LEDS_CLASS_MULTICOLOR
 
 config LEDS_GROUP_MULTICOLOR
 	tristate "LEDs group multi-color support"
-	depends on OF || COMPILE_TEST
+	depends on OF
 	help
 	  This option enables support for monochrome LEDs that are grouped
 	  into multicolor LEDs which is useful in the case where LEDs of