[mythtv] policy on using 'VERBOSE' in myth

[Robert Kulagowski]

When I first created the VERBOSE patch, I had set up the macro for a 
bitmask.  But since I didn't have anything to track other than the 
things I was interested in at the time, the macro was simplified to what 
it is now.  That's also why every single routine doesn't have a VERBOSE; 
I didn't have the time, and didn't need it everywhere.

So ends the history lesson.