Remove old-style HELLO test
Remove old-style HELLO test

HELLO is tested all over the place (and in addition to that
we've got our own hello test suite)

Change-Id: Iea3f13b3cdbdd862c3b3881b7d647471259c4e92
Reviewed-on: http://review.couchbase.org/102490
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

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