drm: bridge: it66121: Remove redundant check

ctx->next_bridge is checked for NULL twice in a row. The second
conditional is redundant, so remove it.
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220114064012.1670612-1-ddavenport@chromium.org

drivers/gpu/drm/bridge/ite-it66121.c

@@ -936,9 +936,6 @@ static int it66121_probe(struct i2c_client *client,
 		return -EPROBE_DEFER;
 	}
 
-	if (!ctx->next_bridge)
-		return -EPROBE_DEFER;
-
 	i2c_set_clientdata(client, ctx);
 	mutex_init(&ctx->lock);