Enable test 'vbucket deletion doesn't affect new data' under RocksDB
Enable test 'vbucket deletion doesn't affect new data' under RocksDB

Enable this test under RocksDB as it now passes (spotted when
verifying behaviour of RocksDB for vBucket delete / create).

Change-Id: Ia902d35cb4bc0668642453dde9c14547f1bddcc2
Reviewed-on: http://review.couchbase.org/111896
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: James Harrison <5c25a7b3db09830813688775bfc8e6de736a230c@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine