Merge "Removed unused and poorly supported time argument to BagOStuff::delete"

diff --cc includes/objectcache/BagOStuff.php
Simple merge

diff --cc includes/objectcache/HashBagOStuff.php
Simple merge

diff --cc includes/objectcache/MemcachedBagOStuff.php
Simple merge

diff --cc includes/objectcache/MemcachedPeclBagOStuff.php
Simple merge

diff --cc includes/objectcache/MultiWriteBagOStuff.php
Simple merge

diff --cc includes/objectcache/RedisBagOStuff.php
Simple merge

diff --cc includes/objectcache/SqlBagOStuff.php
Simple merge