media: cx231xx: Remove RC_CORE dependency

VIDEO_CX231XX_RC requires RC_CORE, but VIDEO_CX231XX
does not require RC to compile or function.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/usb/cx231xx/Kconfig

@@ -3,7 +3,6 @@ config VIDEO_CX231XX
 	depends on VIDEO_DEV && I2C
 	select VIDEO_TUNER
 	select VIDEO_TVEEPROM
-	depends on RC_CORE
 	select VIDEOBUF_VMALLOC
 	select VIDEO_CX25840
 	select VIDEO_CX2341X