[sldev] VWR-10311 Enabling lip sync by default

[Jason Giglio]

Joe Miller wrote:
> Dirk,
> 
> Quite the contrary, the Linden Lab / Vivox relationship is very healthy
> and we have some interesting new features ready to roll shortly.  There
> were a few issues in the SDK shipped with the 1.22 viewer that have
> caused problems for some folks.  One in particular was triggered by very
> large Friends Lists (800+ calling cards in inventory) so it would likely

What's the point in calling cards anymore?

I deleted all of mine and didn't notice any loss of functionality.