MB-8182 Mac OSX issue

Sh issue with brackets in eval expression. Removed the relevent lines and tested.

Change-Id: I34f95289d018575679d0cd3ce124f40269a90bda
Reviewed-on: http://review.couchbase.org/26211
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>