make v6 ga

Author: Tanu Balla

articles/expressroute/expressroute-global-reach.md

@@ -32,7 +32,6 @@ ExpressRoute Global Reach is supported in the following places.
 
 > [!NOTE] 
 > * To enable ExpressRoute Global Reach between [different geopolitical regions](expressroute-locations-providers.md#locations), your circuits must be **Premium SKU**.
-> * IPv6 support for ExpressRoute Global Reach is now in Public Preview. See [Enable Global Reach](expressroute-howto-set-global-reach.md) to learn more.
 
 * Australia
 * Canada