Remove unused safe_open and reopen functions from synctree_leveldb
Remove unused safe_open and reopen functions from synctree_leveldb

cmeiklejohn/riak_ensemble,ricardobcl/riak_ensemble,ricardobcl/riak_ensemble,basho/riak_ensemble,basho/riak_ensemble,sargun/riak_ensemble,sargun/riak_ensemble,cmeiklejohn/riak_ensemble