[media] ivtv-i2c: Don't use IR legacy mode for Zilog IR

The Zilog IR entries are already handled by IR new code. So,
remove its usage from the legacy IR support.

Acked-by: Andy Walls <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/ivtv/ivtv-i2c.c

···
 	const unsigned short addr_list[] = {
 		0x1a,	/* Hauppauge IR external - collides with WM8739 */
 		0x18,	/* Hauppauge IR internal */
-		0x71,	/* Hauppauge IR (PVR150) */
 		I2C_CLIENT_END
 	};