Updated mediawiki/extensions Project: mediawiki/extensions/Flow 6b3692d6b22993dafcb39f715e337b02f73ed1d3
Remove cas() method
It is not reachable from outside callers and merge()
is not overridden to use cas() so the code is unused.
Follows-up 945f2b3546f4ac which removed support for CAS,
but wrongly concluded that merge still uses it.
BufferedBagOStuff extends HashBagOStuff which uses locks
for merge instead of CAS (per the default behaviour of