Do not randomize location of remote workers
Do not randomize location of remote workers

Currently, we run only one worker per client machine. Hence it's
OK to use the same directory.

Change-Id: I8c3017a45c69791c63c42f1e817f374a40ced614
Reviewed-on: http://review.couchbase.org/76194
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner