Remove unsupported saslauthd_socketpath token from man page
Remove unsupported saslauthd_socketpath token from man page

This was removed as part of moving to external auth through
ns_server

Change-Id: Id09827c4e0e6b634623274425caf1d3d228429c7
Reviewed-on: http://review.couchbase.org/102717
Reviewed-by: Jim Walker <1cd02e31b43620d7c664e038ca42a060d61727b9@couchbase.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

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