Remove more mentions of removed keyword `priv`#24981

Merged

bors merged 3 commits intorust-lang:masterfrom

carols10cents:remove-more-priv

May 1, 2015

Commits on Apr 30, 2015

Remove lingering mention of 'priv' in the reference
carols10cents
committed
Remove mention of 'priv'; visibility is either PUB or nothing
carols10cents
committed
Remove `priv` from tests that aren't testing deprecated `priv`
carols10cents
committed